20793480032

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{632713}}^1$

素因数の和:632815

約数の個数: 48

約数和(自身を含む): 44644299840

約数和(自身を除く): 23850819808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 79, 104, 158, 208, 316, 416, 632, 1027, 1264, 2054, 2528, 4108, 8216, 16432, 32864, 632713, 1265426, 2530852, 5061704, 8225269, 10123408, 16450538, 20246816, 32901076, 49984327, 65802152, 99968654, 131604304, 199937308, 263208608, 399874616, 649796251, 799749232, 1299592502, 1599498464, 2599185004, 5198370008, 10396740016, 20793480032]

約数ペア:

[(1, 20793480032), (2, 10396740016), (4, 5198370008), (8, 2599185004), (13, 1599498464), (16, 1299592502), (26, 799749232), (32, 649796251), (52, 399874616), (79, 263208608), (104, 199937308), (158, 131604304), (208, 99968654), (316, 65802152), (416, 49984327), (632, 32901076), (1027, 20246816), (1264, 16450538), (2054, 10123408), (2528, 8225269), (4108, 5061704), (8216, 2530852), (16432, 1265426), (32864, 632713)]