20004180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47629}}^1$

素因数の和:47648

約数の個数: 48

約数和(自身を含む): 64014720

約数和(自身を除く): 44010540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47629, 95258, 142887, 190516, 238145, 285774, 333403, 476290, 571548, 666806, 714435, 952580, 1000209, 1333612, 1428870, 1667015, 2000418, 2857740, 3334030, 4000836, 5001045, 6668060, 10002090, 20004180]

約数ペア:

[(1, 20004180), (2, 10002090), (3, 6668060), (4, 5001045), (5, 4000836), (6, 3334030), (7, 2857740), (10, 2000418), (12, 1667015), (14, 1428870), (15, 1333612), (20, 1000209), (21, 952580), (28, 714435), (30, 666806), (35, 571548), (42, 476290), (60, 333403), (70, 285774), (84, 238145), (105, 190516), (140, 142887), (210, 95258), (420, 47629)]