20051215216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{349373}}^1$

素因数の和:349609

約数の個数: 40

約数和(自身を含む): 41329546704

約数和(自身を除く): 21278331488

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 211, 272, 422, 844, 1688, 3376, 3587, 7174, 14348, 28696, 57392, 349373, 698746, 1397492, 2794984, 5589968, 5939341, 11878682, 23757364, 47514728, 73717703, 95029456, 147435406, 294870812, 589741624, 1179483248, 1253200951, 2506401902, 5012803804, 10025607608, 20051215216]

約数ペア:

[(1, 20051215216), (2, 10025607608), (4, 5012803804), (8, 2506401902), (16, 1253200951), (17, 1179483248), (34, 589741624), (68, 294870812), (136, 147435406), (211, 95029456), (272, 73717703), (422, 47514728), (844, 23757364), (1688, 11878682), (3376, 5939341), (3587, 5589968), (7174, 2794984), (14348, 1397492), (28696, 698746), (57392, 349373)]