20708388

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12239}}^1$

素因数の和:12296

約数の個数: 36

約数和(自身を含む): 53464320

約数和(自身を除く): 32755932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12239, 24478, 36717, 48956, 73434, 110151, 146868, 220302, 440604, 575233, 1150466, 1725699, 2300932, 3451398, 5177097, 6902796, 10354194, 20708388]

約数ペア:

[(1, 20708388), (2, 10354194), (3, 6902796), (4, 5177097), (6, 3451398), (9, 2300932), (12, 1725699), (18, 1150466), (36, 575233), (47, 440604), (94, 220302), (141, 146868), (188, 110151), (282, 73434), (423, 48956), (564, 36717), (846, 24478), (1692, 12239)]