20005978338

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{628289}}^1$

素因数の和:628387

約数の個数: 48

約数和(自身を含む): 45576156600

約数和(自身を除く): 25570178262

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 174, 183, 261, 366, 522, 549, 1098, 1769, 3538, 5307, 10614, 15921, 31842, 628289, 1256578, 1884867, 3769734, 5654601, 11309202, 18220381, 36440762, 38325629, 54661143, 76651258, 109322286, 114976887, 163983429, 229953774, 327966858, 344930661, 689861322, 1111443241, 2222886482, 3334329723, 6668659446, 10002989169, 20005978338]

約数ペア:

[(1, 20005978338), (2, 10002989169), (3, 6668659446), (6, 3334329723), (9, 2222886482), (18, 1111443241), (29, 689861322), (58, 344930661), (61, 327966858), (87, 229953774), (122, 163983429), (174, 114976887), (183, 109322286), (261, 76651258), (366, 54661143), (522, 38325629), (549, 36440762), (1098, 18220381), (1769, 11309202), (3538, 5654601), (5307, 3769734), (10614, 1884867), (15921, 1256578), (31842, 628289)]