20001511712

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2791}}^1$

素因数の和:2951

約数の個数: 192

約数和(自身を含む): 51063312384

約数和(自身を除く): 31061800672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 56, 91, 92, 104, 107, 112, 161, 182, 184, 208, 214, 224, 299, 322, 364, 368, 416, 428, 598, 644, 728, 736, 749, 856, 1196, 1288, 1391, 1456, 1498, 1712, 2093, 2392, 2461, 2576, 2782, 2791, 2912, 2996, 3424, 4186, 4784, 4922, 5152, 5564, 5582, 5992, 8372, 9568, 9737, 9844, 11128, 11164, 11984, 16744, 17227, 19474, 19537, 19688, 22256, 22328, 23968, 31993, 33488, 34454, 36283, 38948, 39074, 39376, 44512, 44656, 63986, 64193, 66976, 68908, 72566, 77896, 78148, 78752, 89312, 127972, 128386, 137816, 145132, 155792, 156296, 223951, 253981, 255944, 256772, 275632, 290264, 298637, 311584, 312592, 447902, 449351, 507962, 511888, 513544, 551264, 580528, 597274, 625184, 834509, 895804, 898702, 1015924, 1023776, 1027088, 1161056, 1194548, 1669018, 1791608, 1797404, 2031848, 2054176, 2090459, 2389096, 3338036, 3583216, 3594808, 3882281, 4063696, 4180918, 4778192, 5841563, 6676072, 6868651, 7166432, 7189616, 7764562, 8127392, 8361836, 9556384, 11683126, 13352144, 13737302, 14379232, 15529124, 16723672, 23366252, 26704288, 27175967, 27474604, 31058248, 33447344, 46732504, 48080557, 54351934, 54949208, 62116496, 66894688, 89292463, 93465008, 96161114, 108703868, 109898416, 124232992, 178584926, 186930016, 192322228, 217407736, 219796832, 357169852, 384644456, 434815472, 625047241, 714339704, 769288912, 869630944, 1250094482, 1428679408, 1538577824, 2500188964, 2857358816, 5000377928, 10000755856, 20001511712]

約数ペア:

[(1, 20001511712), (2, 10000755856), (4, 5000377928), (7, 2857358816), (8, 2500188964), (13, 1538577824), (14, 1428679408), (16, 1250094482), (23, 869630944), (26, 769288912), (28, 714339704), (32, 625047241), (46, 434815472), (52, 384644456), (56, 357169852), (91, 219796832), (92, 217407736), (104, 192322228), (107, 186930016), (112, 178584926), (161, 124232992), (182, 109898416), (184, 108703868), (208, 96161114), (214, 93465008), (224, 89292463), (299, 66894688), (322, 62116496), (364, 54949208), (368, 54351934), (416, 48080557), (428, 46732504), (598, 33447344), (644, 31058248), (728, 27474604), (736, 27175967), (749, 26704288), (856, 23366252), (1196, 16723672), (1288, 15529124), (1391, 14379232), (1456, 13737302), (1498, 13352144), (1712, 11683126), (2093, 9556384), (2392, 8361836), (2461, 8127392), (2576, 7764562), (2782, 7189616), (2791, 7166432), (2912, 6868651), (2996, 6676072), (3424, 5841563), (4186, 4778192), (4784, 4180918), (4922, 4063696), (5152, 3882281), (5564, 3594808), (5582, 3583216), (5992, 3338036), (8372, 2389096), (9568, 2090459), (9737, 2054176), (9844, 2031848), (11128, 1797404), (11164, 1791608), (11984, 1669018), (16744, 1194548), (17227, 1161056), (19474, 1027088), (19537, 1023776), (19688, 1015924), (22256, 898702), (22328, 895804), (23968, 834509), (31993, 625184), (33488, 597274), (34454, 580528), (36283, 551264), (38948, 513544), (39074, 511888), (39376, 507962), (44512, 449351), (44656, 447902), (63986, 312592), (64193, 311584), (66976, 298637), (68908, 290264), (72566, 275632), (77896, 256772), (78148, 255944), (78752, 253981), (89312, 223951), (127972, 156296), (128386, 155792), (137816, 145132)]