20322856

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 41696640

約数和(自身を除く): 21373784

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 227, 248, 361, 454, 589, 722, 908, 1178, 1444, 1816, 2356, 2888, 4313, 4712, 7037, 8626, 11191, 14074, 17252, 22382, 28148, 34504, 44764, 56296, 81947, 89528, 133703, 163894, 267406, 327788, 534812, 655576, 1069624, 2540357, 5080714, 10161428, 20322856]

約数ペア:

[(1, 20322856), (2, 10161428), (4, 5080714), (8, 2540357), (19, 1069624), (31, 655576), (38, 534812), (62, 327788), (76, 267406), (124, 163894), (152, 133703), (227, 89528), (248, 81947), (361, 56296), (454, 44764), (589, 34504), (722, 28148), (908, 22382), (1178, 17252), (1444, 14074), (1816, 11191), (2356, 8626), (2888, 7037), (4313, 4712)]