20760352

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 43388352

約数和(自身を除く): 22628000

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 67, 92, 134, 184, 268, 368, 421, 536, 736, 842, 1072, 1541, 1684, 2144, 3082, 3368, 6164, 6736, 9683, 12328, 13472, 19366, 24656, 28207, 38732, 49312, 56414, 77464, 112828, 154928, 225656, 309856, 451312, 648761, 902624, 1297522, 2595044, 5190088, 10380176, 20760352]

約数ペア:

[(1, 20760352), (2, 10380176), (4, 5190088), (8, 2595044), (16, 1297522), (23, 902624), (32, 648761), (46, 451312), (67, 309856), (92, 225656), (134, 154928), (184, 112828), (268, 77464), (368, 56414), (421, 49312), (536, 38732), (736, 28207), (842, 24656), (1072, 19366), (1541, 13472), (1684, 12328), (2144, 9683), (3082, 6736), (3368, 6164)]