20893136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6983}}^1$

素因数の和:7019

約数の個数: 40

約数和(自身を含む): 46764864

約数和(自身を除く): 25871728

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6983, 13966, 27932, 55864, 76813, 111728, 118711, 153626, 237422, 307252, 474844, 614504, 949688, 1229008, 1305821, 1899376, 2611642, 5223284, 10446568, 20893136]

約数ペア:

[(1, 20893136), (2, 10446568), (4, 5223284), (8, 2611642), (11, 1899376), (16, 1305821), (17, 1229008), (22, 949688), (34, 614504), (44, 474844), (68, 307252), (88, 237422), (136, 153626), (176, 118711), (187, 111728), (272, 76813), (374, 55864), (748, 27932), (1496, 13966), (2992, 6983)]