20120851912

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1\times {\mathrm{9739}}^1$

素因数の和:10298

約数の個数: 64

約数和(自身を含む): 43759872000

約数和(自身を除く): 23639020088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 467, 553, 632, 934, 1106, 1868, 2212, 3269, 3736, 4424, 6538, 9739, 13076, 19478, 26152, 36893, 38956, 68173, 73786, 77912, 136346, 147572, 258251, 272692, 295144, 516502, 545384, 769381, 1033004, 1538762, 2066008, 3077524, 4548113, 5385667, 6155048, 9096226, 10771334, 18192452, 21542668, 31836791, 36384904, 43085336, 63673582, 127347164, 254694328, 359300927, 718601854, 1437203708, 2515106489, 2874407416, 5030212978, 10060425956, 20120851912]

約数ペア:

[(1, 20120851912), (2, 10060425956), (4, 5030212978), (7, 2874407416), (8, 2515106489), (14, 1437203708), (28, 718601854), (56, 359300927), (79, 254694328), (158, 127347164), (316, 63673582), (467, 43085336), (553, 36384904), (632, 31836791), (934, 21542668), (1106, 18192452), (1868, 10771334), (2212, 9096226), (3269, 6155048), (3736, 5385667), (4424, 4548113), (6538, 3077524), (9739, 2066008), (13076, 1538762), (19478, 1033004), (26152, 769381), (36893, 545384), (38956, 516502), (68173, 295144), (73786, 272692), (77912, 258251), (136346, 147572)]