20191288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1303}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 41076000

約数和(自身を除く): 20884712

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 149, 298, 596, 1192, 1303, 1937, 2606, 3874, 5212, 7748, 10424, 15496, 16939, 33878, 67756, 135512, 194147, 388294, 776588, 1553176, 2523911, 5047822, 10095644, 20191288]

約数ペア:

[(1, 20191288), (2, 10095644), (4, 5047822), (8, 2523911), (13, 1553176), (26, 776588), (52, 388294), (104, 194147), (149, 135512), (298, 67756), (596, 33878), (1192, 16939), (1303, 15496), (1937, 10424), (2606, 7748), (3874, 5212)]