20904705132

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1\times {\mathrm{28513}}^1$

素因数の和:29198

約数の個数: 48

約数和(自身を含む): 49321464192

約数和(自身を除く): 28416759060

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 571, 642, 1142, 1284, 1713, 2284, 3426, 6852, 28513, 57026, 61097, 85539, 114052, 122194, 171078, 183291, 244388, 342156, 366582, 733164, 3050891, 6101782, 9152673, 12203564, 16280923, 18305346, 32561846, 36610692, 48842769, 65123692, 97685538, 195371076, 1742058761, 3484117522, 5226176283, 6968235044, 10452352566, 20904705132]

約数ペア:

[(1, 20904705132), (2, 10452352566), (3, 6968235044), (4, 5226176283), (6, 3484117522), (12, 1742058761), (107, 195371076), (214, 97685538), (321, 65123692), (428, 48842769), (571, 36610692), (642, 32561846), (1142, 18305346), (1284, 16280923), (1713, 12203564), (2284, 9152673), (3426, 6101782), (6852, 3050891), (28513, 733164), (57026, 366582), (61097, 342156), (85539, 244388), (114052, 183291), (122194, 171078)]