20617584

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 160

約数和(自身を含む): 63329280

約数和(自身を除く): 42711696

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 37, 38, 39, 47, 48, 52, 57, 74, 76, 78, 94, 104, 111, 114, 141, 148, 152, 156, 188, 208, 222, 228, 247, 282, 296, 304, 312, 376, 444, 456, 481, 494, 564, 592, 611, 624, 703, 741, 752, 888, 893, 912, 962, 988, 1128, 1222, 1406, 1443, 1482, 1739, 1776, 1786, 1833, 1924, 1976, 2109, 2256, 2444, 2679, 2812, 2886, 2964, 3478, 3572, 3666, 3848, 3952, 4218, 4888, 5217, 5358, 5624, 5772, 5928, 6956, 7144, 7332, 7696, 8436, 9139, 9776, 10434, 10716, 11248, 11544, 11609, 11856, 13912, 14288, 14664, 16872, 18278, 20868, 21432, 22607, 23088, 23218, 27417, 27824, 29328, 33041, 33744, 34827, 36556, 41736, 42864, 45214, 46436, 54834, 66082, 67821, 69654, 73112, 83472, 90428, 92872, 99123, 109668, 132164, 135642, 139308, 146224, 180856, 185744, 198246, 219336, 264328, 271284, 278616, 361712, 396492, 429533, 438672, 528656, 542568, 557232, 792984, 859066, 1085136, 1288599, 1585968, 1718132, 2577198, 3436264, 5154396, 6872528, 10308792, 20617584]

約数ペア:

[(1, 20617584), (2, 10308792), (3, 6872528), (4, 5154396), (6, 3436264), (8, 2577198), (12, 1718132), (13, 1585968), (16, 1288599), (19, 1085136), (24, 859066), (26, 792984), (37, 557232), (38, 542568), (39, 528656), (47, 438672), (48, 429533), (52, 396492), (57, 361712), (74, 278616), (76, 271284), (78, 264328), (94, 219336), (104, 198246), (111, 185744), (114, 180856), (141, 146224), (148, 139308), (152, 135642), (156, 132164), (188, 109668), (208, 99123), (222, 92872), (228, 90428), (247, 83472), (282, 73112), (296, 69654), (304, 67821), (312, 66082), (376, 54834), (444, 46436), (456, 45214), (481, 42864), (494, 41736), (564, 36556), (592, 34827), (611, 33744), (624, 33041), (703, 29328), (741, 27824), (752, 27417), (888, 23218), (893, 23088), (912, 22607), (962, 21432), (988, 20868), (1128, 18278), (1222, 16872), (1406, 14664), (1443, 14288), (1482, 13912), (1739, 11856), (1776, 11609), (1786, 11544), (1833, 11248), (1924, 10716), (1976, 10434), (2109, 9776), (2256, 9139), (2444, 8436), (2679, 7696), (2812, 7332), (2886, 7144), (2964, 6956), (3478, 5928), (3572, 5772), (3666, 5624), (3848, 5358), (3952, 5217), (4218, 4888)]