20218993940

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{569}}^1\times {\mathrm{10639}}^1$

素因数の和:11384

約数の個数: 48

約数和(自身を含む): 42793228800

約数和(自身を除く): 22574234860

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 569, 668, 835, 1138, 1670, 2276, 2845, 3340, 5690, 10639, 11380, 21278, 42556, 53195, 95023, 106390, 190046, 212780, 380092, 475115, 950230, 1776713, 1900460, 3553426, 6053591, 7106852, 8883565, 12107182, 17767130, 24214364, 30267955, 35534260, 60535910, 121071820, 1010949697, 2021899394, 4043798788, 5054748485, 10109496970, 20218993940]

約数ペア:

[(1, 20218993940), (2, 10109496970), (4, 5054748485), (5, 4043798788), (10, 2021899394), (20, 1010949697), (167, 121071820), (334, 60535910), (569, 35534260), (668, 30267955), (835, 24214364), (1138, 17767130), (1670, 12107182), (2276, 8883565), (2845, 7106852), (3340, 6053591), (5690, 3553426), (10639, 1900460), (11380, 1776713), (21278, 950230), (42556, 475115), (53195, 380092), (95023, 212780), (106390, 190046)]