20131168688

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{431}}^1\times {\mathrm{9209}}^1$

素因数の和:9965

約数の個数: 40

約数和(自身を含む): 39222221760

約数和(自身を除く): 19091053072

約数列:

[1, 2, 4, 8, 16, 317, 431, 634, 862, 1268, 1724, 2536, 3448, 5072, 6896, 9209, 18418, 36836, 73672, 136627, 147344, 273254, 546508, 1093016, 2186032, 2919253, 3969079, 5838506, 7938158, 11677012, 15876316, 23354024, 31752632, 46708048, 63505264, 1258198043, 2516396086, 5032792172, 10065584344, 20131168688]

約数ペア:

[(1, 20131168688), (2, 10065584344), (4, 5032792172), (8, 2516396086), (16, 1258198043), (317, 63505264), (431, 46708048), (634, 31752632), (862, 23354024), (1268, 15876316), (1724, 11677012), (2536, 7938158), (3448, 5838506), (5072, 3969079), (6896, 2919253), (9209, 2186032), (18418, 1093016), (36836, 546508), (73672, 273254), (136627, 147344)]