20249929180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2685667}}^1$

素因数の和:2685718

約数の個数: 48

約数和(自身を含む): 47375183520

約数和(自身を除く): 27125254340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 2685667, 5371334, 10742668, 13428335, 26856670, 34913671, 53713340, 69827342, 77884343, 139654684, 155768686, 174568355, 311537372, 349136710, 389421715, 698273420, 778843430, 1012496459, 1557686860, 2024992918, 4049985836, 5062482295, 10124964590, 20249929180]

約数ペア:

[(1, 20249929180), (2, 10124964590), (4, 5062482295), (5, 4049985836), (10, 2024992918), (13, 1557686860), (20, 1012496459), (26, 778843430), (29, 698273420), (52, 389421715), (58, 349136710), (65, 311537372), (116, 174568355), (130, 155768686), (145, 139654684), (260, 77884343), (290, 69827342), (377, 53713340), (580, 34913671), (754, 26856670), (1508, 13428335), (1885, 10742668), (3770, 5371334), (7540, 2685667)]