20763545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 29393280

約数和(自身を除く): 8629735

約数列:

[1, 5, 11, 17, 53, 55, 85, 187, 265, 419, 583, 901, 935, 2095, 2915, 4505, 4609, 7123, 9911, 22207, 23045, 35615, 49555, 78353, 111035, 244277, 377519, 391765, 1221385, 1887595, 4152709, 20763545]

約数ペア:

[(1, 20763545), (5, 4152709), (11, 1887595), (17, 1221385), (53, 391765), (55, 377519), (85, 244277), (187, 111035), (265, 78353), (419, 49555), (583, 35615), (901, 23045), (935, 22207), (2095, 9911), (2915, 7123), (4505, 4609)]