20663566

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1231}}^1$

素因数の和:1360

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 18366194

約数列:

[1, 2, 7, 11, 14, 22, 77, 109, 154, 218, 763, 1199, 1231, 1526, 2398, 2462, 8393, 8617, 13541, 16786, 17234, 27082, 94787, 134179, 189574, 268358, 939253, 1475969, 1878506, 2951938, 10331783, 20663566]

約数ペア:

[(1, 20663566), (2, 10331783), (7, 2951938), (11, 1878506), (14, 1475969), (22, 939253), (77, 268358), (109, 189574), (154, 134179), (218, 94787), (763, 27082), (1199, 17234), (1231, 16786), (1526, 13541), (2398, 8617), (2462, 8393)]