20121012728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3608503}}^1$

素因数の和:3608567

約数の個数: 32

約数和(自身を含む): 40920435360

約数和(自身を除く): 20799422632

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 328, 697, 1394, 2788, 5576, 3608503, 7217006, 14434012, 28868024, 61344551, 122689102, 147948623, 245378204, 295897246, 490756408, 591794492, 1183588984, 2515126591, 5030253182, 10060506364, 20121012728]

約数ペア:

[(1, 20121012728), (2, 10060506364), (4, 5030253182), (8, 2515126591), (17, 1183588984), (34, 591794492), (41, 490756408), (68, 295897246), (82, 245378204), (136, 147948623), (164, 122689102), (328, 61344551), (697, 28868024), (1394, 14434012), (2788, 7217006), (5576, 3608503)]