20128435544

素因数分解:

$2^3\times 7^1\times {\mathrm{887}}^1\times {\mathrm{405227}}^1$

素因数の和:406127

約数の個数: 32

約数和(自身を含む): 43181095680

約数和(自身を除く): 23052660136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 887, 1774, 3548, 6209, 7096, 12418, 24836, 49672, 405227, 810454, 1620908, 2836589, 3241816, 5673178, 11346356, 22692712, 359436349, 718872698, 1437745396, 2516054443, 2875490792, 5032108886, 10064217772, 20128435544]

約数ペア:

[(1, 20128435544), (2, 10064217772), (4, 5032108886), (7, 2875490792), (8, 2516054443), (14, 1437745396), (28, 718872698), (56, 359436349), (887, 22692712), (1774, 11346356), (3548, 5673178), (6209, 3241816), (7096, 2836589), (12418, 1620908), (24836, 810454), (49672, 405227)]