20101090048

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163243}}^1$

素因数の和:163309

約数の個数: 72

約数和(自身を含む): 44378207888

約数和(自身を除く): 24277117840

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 256, 296, 416, 481, 592, 832, 962, 1184, 1664, 1924, 2368, 3328, 3848, 4736, 7696, 9472, 15392, 30784, 61568, 123136, 163243, 326486, 652972, 1305944, 2122159, 2611888, 4244318, 5223776, 6039991, 8488636, 10447552, 12079982, 16977272, 20895104, 24159964, 33954544, 41790208, 48319928, 67909088, 78519883, 96639856, 135818176, 157039766, 193279712, 271636352, 314079532, 386559424, 543272704, 628159064, 773118848, 1256318128, 1546237696, 2512636256, 5025272512, 10050545024, 20101090048]

約数ペア:

[(1, 20101090048), (2, 10050545024), (4, 5025272512), (8, 2512636256), (13, 1546237696), (16, 1256318128), (26, 773118848), (32, 628159064), (37, 543272704), (52, 386559424), (64, 314079532), (74, 271636352), (104, 193279712), (128, 157039766), (148, 135818176), (208, 96639856), (256, 78519883), (296, 67909088), (416, 48319928), (481, 41790208), (592, 33954544), (832, 24159964), (962, 20895104), (1184, 16977272), (1664, 12079982), (1924, 10447552), (2368, 8488636), (3328, 6039991), (3848, 5223776), (4736, 4244318), (7696, 2611888), (9472, 2122159), (15392, 1305944), (30784, 652972), (61568, 326486), (123136, 163243)]