20580274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 36542016

約数和(自身を除く): 15961742

約数列:

[1, 2, 11, 13, 22, 26, 143, 227, 286, 317, 454, 634, 2497, 2951, 3487, 4121, 4994, 5902, 6974, 8242, 32461, 45331, 64922, 71959, 90662, 143918, 791549, 935467, 1583098, 1870934, 10290137, 20580274]

約数ペア:

[(1, 20580274), (2, 10290137), (11, 1870934), (13, 1583098), (22, 935467), (26, 791549), (143, 143918), (227, 90662), (286, 71959), (317, 64922), (454, 45331), (634, 32461), (2497, 8242), (2951, 6974), (3487, 5902), (4121, 4994)]