20157361910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{4457}}^1\times {\mathrm{64609}}^1$

素因数の和:69080

約数の個数: 32

約数和(自身を含む): 41476518720

約数和(自身を除く): 21319156810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4457, 8914, 22285, 31199, 44570, 62398, 64609, 129218, 155995, 311990, 323045, 452263, 646090, 904526, 2261315, 4522630, 287962313, 575924626, 1439811565, 2015736191, 2879623130, 4031472382, 10078680955, 20157361910]

約数ペア:

[(1, 20157361910), (2, 10078680955), (5, 4031472382), (7, 2879623130), (10, 2015736191), (14, 1439811565), (35, 575924626), (70, 287962313), (4457, 4522630), (8914, 2261315), (22285, 904526), (31199, 646090), (44570, 452263), (62398, 323045), (64609, 311990), (129218, 155995)]