20139957468

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{176983}}^1$

素因数の和:177131

約数の個数: 72

約数和(自身を含む): 53148295200

約数和(自身を除く): 33008337732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 109, 116, 174, 218, 261, 327, 348, 436, 522, 654, 981, 1044, 1308, 1962, 3161, 3924, 6322, 9483, 12644, 18966, 28449, 37932, 56898, 113796, 176983, 353966, 530949, 707932, 1061898, 1592847, 2123796, 3185694, 5132507, 6371388, 10265014, 15397521, 19291147, 20530028, 30795042, 38582294, 46192563, 57873441, 61590084, 77164588, 92385126, 115746882, 173620323, 184770252, 231493764, 347240646, 559443263, 694481292, 1118886526, 1678329789, 2237773052, 3356659578, 5034989367, 6713319156, 10069978734, 20139957468]

約数ペア:

[(1, 20139957468), (2, 10069978734), (3, 6713319156), (4, 5034989367), (6, 3356659578), (9, 2237773052), (12, 1678329789), (18, 1118886526), (29, 694481292), (36, 559443263), (58, 347240646), (87, 231493764), (109, 184770252), (116, 173620323), (174, 115746882), (218, 92385126), (261, 77164588), (327, 61590084), (348, 57873441), (436, 46192563), (522, 38582294), (654, 30795042), (981, 20530028), (1044, 19291147), (1308, 15397521), (1962, 10265014), (3161, 6371388), (3924, 5132507), (6322, 3185694), (9483, 2123796), (12644, 1592847), (18966, 1061898), (28449, 707932), (37932, 530949), (56898, 353966), (113796, 176983)]