20018789210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1919347}}^1$

素因数の和:1919510

約数の個数: 32

約数和(自身を含む): 41457916800

約数和(自身を除く): 21439127590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 10430, 1919347, 3838694, 9596735, 13435429, 19193470, 26870858, 67177145, 134354290, 285982703, 571965406, 1429913515, 2001878921, 2859827030, 4003757842, 10009394605, 20018789210]

約数ペア:

[(1, 20018789210), (2, 10009394605), (5, 4003757842), (7, 2859827030), (10, 2001878921), (14, 1429913515), (35, 571965406), (70, 285982703), (149, 134354290), (298, 67177145), (745, 26870858), (1043, 19193470), (1490, 13435429), (2086, 9596735), (5215, 3838694), (10430, 1919347)]