20008274816

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{81883}}^1$

素因数の和:82003

約数の個数: 64

約数和(自身を含む): 42094926720

約数和(自身を除く): 22086651904

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 83, 92, 128, 166, 184, 332, 368, 664, 736, 1328, 1472, 1909, 2656, 2944, 3818, 5312, 7636, 10624, 15272, 30544, 61088, 81883, 122176, 163766, 244352, 327532, 655064, 1310128, 1883309, 2620256, 3766618, 5240512, 6796289, 7533236, 10481024, 13592578, 15066472, 27185156, 30132944, 54370312, 60265888, 108740624, 120531776, 156314647, 217481248, 241063552, 312629294, 434962496, 625258588, 869924992, 1250517176, 2501034352, 5002068704, 10004137408, 20008274816]

約数ペア:

[(1, 20008274816), (2, 10004137408), (4, 5002068704), (8, 2501034352), (16, 1250517176), (23, 869924992), (32, 625258588), (46, 434962496), (64, 312629294), (83, 241063552), (92, 217481248), (128, 156314647), (166, 120531776), (184, 108740624), (332, 60265888), (368, 54370312), (664, 30132944), (736, 27185156), (1328, 15066472), (1472, 13592578), (1909, 10481024), (2656, 7533236), (2944, 6796289), (3818, 5240512), (5312, 3766618), (7636, 2620256), (10624, 1883309), (15272, 1310128), (30544, 655064), (61088, 327532), (81883, 244352), (122176, 163766)]