20119540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143711}}^1$

素因数の和:143727

約数の個数: 24

約数和(自身を含む): 48287232

約数和(自身を除く): 28167692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143711, 287422, 574844, 718555, 1005977, 1437110, 2011954, 2874220, 4023908, 5029885, 10059770, 20119540]

約数ペア:

[(1, 20119540), (2, 10059770), (4, 5029885), (5, 4023908), (7, 2874220), (10, 2011954), (14, 1437110), (20, 1005977), (28, 718555), (35, 574844), (70, 287422), (140, 143711)]