20992984

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2207}}^1$

素因数の和:2283

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 20738216

約数列:

[1, 2, 4, 8, 29, 41, 58, 82, 116, 164, 232, 328, 1189, 2207, 2378, 4414, 4756, 8828, 9512, 17656, 64003, 90487, 128006, 180974, 256012, 361948, 512024, 723896, 2624123, 5248246, 10496492, 20992984]

約数ペア:

[(1, 20992984), (2, 10496492), (4, 5248246), (8, 2624123), (29, 723896), (41, 512024), (58, 361948), (82, 256012), (116, 180974), (164, 128006), (232, 90487), (328, 64003), (1189, 17656), (2207, 9512), (2378, 8828), (4414, 4756)]