20345056

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 42865200

約数和(自身を除く): 22520144

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 149, 251, 272, 298, 502, 544, 596, 1004, 1192, 2008, 2384, 2533, 4016, 4267, 4768, 5066, 8032, 8534, 10132, 17068, 20264, 34136, 37399, 40528, 68272, 74798, 81056, 136544, 149596, 299192, 598384, 635783, 1196768, 1271566, 2543132, 5086264, 10172528, 20345056]

約数ペア:

[(1, 20345056), (2, 10172528), (4, 5086264), (8, 2543132), (16, 1271566), (17, 1196768), (32, 635783), (34, 598384), (68, 299192), (136, 149596), (149, 136544), (251, 81056), (272, 74798), (298, 68272), (502, 40528), (544, 37399), (596, 34136), (1004, 20264), (1192, 17068), (2008, 10132), (2384, 8534), (2533, 8032), (4016, 5066), (4267, 4768)]