20535859968

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^2$

素因数の和:479

約数の個数: 216

約数和(自身を含む): 60276112848

約数和(自身を除く): 39740252880

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 53, 64, 78, 96, 104, 106, 128, 156, 159, 192, 197, 208, 212, 256, 312, 318, 384, 394, 416, 424, 591, 624, 636, 689, 768, 788, 832, 848, 1182, 1248, 1272, 1378, 1576, 1664, 1696, 2067, 2364, 2496, 2544, 2561, 2756, 3152, 3328, 3392, 4134, 4728, 4992, 5088, 5122, 5512, 6304, 6784, 7683, 8268, 9456, 9984, 10176, 10244, 10441, 11024, 12608, 13568, 15366, 16536, 18912, 20352, 20488, 20882, 22048, 25216, 30732, 31323, 33072, 37824, 38809, 40704, 40976, 41764, 44096, 50432, 61464, 62646, 66144, 75648, 77618, 81952, 83528, 88192, 116427, 122928, 125292, 132288, 135733, 151296, 155236, 163904, 167056, 176384, 232854, 245856, 250584, 264576, 271466, 310472, 327808, 334112, 407199, 465708, 491712, 501168, 504517, 529152, 542932, 620944, 655616, 668224, 814398, 931416, 983424, 1002336, 1009034, 1085864, 1241888, 1336448, 1513551, 1628796, 1862832, 1966848, 2004672, 2018068, 2056877, 2171728, 2483776, 2672896, 3027102, 3257592, 3725664, 4009344, 4036136, 4113754, 4343456, 4967552, 6054204, 6170631, 6515184, 7451328, 8018688, 8072272, 8227508, 8686912, 9935104, 12108408, 12341262, 13030368, 14902656, 16144544, 16455016, 17373824, 24216816, 24682524, 26060736, 26739401, 29805312, 32289088, 32910032, 34747648, 48433632, 49365048, 52121472, 53478802, 64578176, 65820064, 80218203, 96867264, 98730096, 104242944, 106957604, 129156352, 131640128, 160436406, 193734528, 197460192, 213915208, 263280256, 320872812, 387469056, 394920384, 427830416, 526560512, 641745624, 789840768, 855660832, 1283491248, 1579681536, 1711321664, 2566982496, 3422643328, 5133964992, 6845286656, 10267929984, 20535859968]

約数ペア:

[(1, 20535859968), (2, 10267929984), (3, 6845286656), (4, 5133964992), (6, 3422643328), (8, 2566982496), (12, 1711321664), (13, 1579681536), (16, 1283491248), (24, 855660832), (26, 789840768), (32, 641745624), (39, 526560512), (48, 427830416), (52, 394920384), (53, 387469056), (64, 320872812), (78, 263280256), (96, 213915208), (104, 197460192), (106, 193734528), (128, 160436406), (156, 131640128), (159, 129156352), (192, 106957604), (197, 104242944), (208, 98730096), (212, 96867264), (256, 80218203), (312, 65820064), (318, 64578176), (384, 53478802), (394, 52121472), (416, 49365048), (424, 48433632), (591, 34747648), (624, 32910032), (636, 32289088), (689, 29805312), (768, 26739401), (788, 26060736), (832, 24682524), (848, 24216816), (1182, 17373824), (1248, 16455016), (1272, 16144544), (1378, 14902656), (1576, 13030368), (1664, 12341262), (1696, 12108408), (2067, 9935104), (2364, 8686912), (2496, 8227508), (2544, 8072272), (2561, 8018688), (2756, 7451328), (3152, 6515184), (3328, 6170631), (3392, 6054204), (4134, 4967552), (4728, 4343456), (4992, 4113754), (5088, 4036136), (5122, 4009344), (5512, 3725664), (6304, 3257592), (6784, 3027102), (7683, 2672896), (8268, 2483776), (9456, 2171728), (9984, 2056877), (10176, 2018068), (10244, 2004672), (10441, 1966848), (11024, 1862832), (12608, 1628796), (13568, 1513551), (15366, 1336448), (16536, 1241888), (18912, 1085864), (20352, 1009034), (20488, 1002336), (20882, 983424), (22048, 931416), (25216, 814398), (30732, 668224), (31323, 655616), (33072, 620944), (37824, 542932), (38809, 529152), (40704, 504517), (40976, 501168), (41764, 491712), (44096, 465708), (50432, 407199), (61464, 334112), (62646, 327808), (66144, 310472), (75648, 271466), (77618, 264576), (81952, 250584), (83528, 245856), (88192, 232854), (116427, 176384), (122928, 167056), (125292, 163904), (132288, 155236), (135733, 151296)]