20521674

素因数分解:

$2^1\times 3^4\times {\mathrm{131}}^1\times {\mathrm{967}}^1$

素因数の和:1112

約数の個数: 40

約数和(自身を含む): 46382688

約数和(自身を除く): 25861014

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 131, 162, 262, 393, 786, 967, 1179, 1934, 2358, 2901, 3537, 5802, 7074, 8703, 10611, 17406, 21222, 26109, 52218, 78327, 126677, 156654, 253354, 380031, 760062, 1140093, 2280186, 3420279, 6840558, 10260837, 20521674]

約数ペア:

[(1, 20521674), (2, 10260837), (3, 6840558), (6, 3420279), (9, 2280186), (18, 1140093), (27, 760062), (54, 380031), (81, 253354), (131, 156654), (162, 126677), (262, 78327), (393, 52218), (786, 26109), (967, 21222), (1179, 17406), (1934, 10611), (2358, 8703), (2901, 7074), (3537, 5802)]