20919504

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11779}}^1$

素因数の和:11827

約数の個数: 40

約数和(自身を含む): 55507360

約数和(自身を除く): 34587856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11779, 23558, 35337, 47116, 70674, 94232, 141348, 188464, 282696, 435823, 565392, 871646, 1307469, 1743292, 2614938, 3486584, 5229876, 6973168, 10459752, 20919504]

約数ペア:

[(1, 20919504), (2, 10459752), (3, 6973168), (4, 5229876), (6, 3486584), (8, 2614938), (12, 1743292), (16, 1307469), (24, 871646), (37, 565392), (48, 435823), (74, 282696), (111, 188464), (148, 141348), (222, 94232), (296, 70674), (444, 47116), (592, 35337), (888, 23558), (1776, 11779)]