20805586767

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1\times {\mathrm{20483}}^1$

素因数の和:21220

約数の個数: 48

約数和(自身を含む): 35891900928

約数和(自身を除く): 15086314161

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 701, 1449, 2103, 4907, 6309, 14721, 16123, 20483, 44163, 48369, 61449, 112861, 143381, 145107, 184347, 338583, 430143, 471109, 1015749, 1290429, 1413327, 3297763, 4239981, 9893289, 14358583, 29679867, 43075749, 100510081, 129227247, 301530243, 330247409, 904590729, 990742227, 2311731863, 2972226681, 6935195589, 20805586767]

約数ペア:

[(1, 20805586767), (3, 6935195589), (7, 2972226681), (9, 2311731863), (21, 990742227), (23, 904590729), (63, 330247409), (69, 301530243), (161, 129227247), (207, 100510081), (483, 43075749), (701, 29679867), (1449, 14358583), (2103, 9893289), (4907, 4239981), (6309, 3297763), (14721, 1413327), (16123, 1290429), (20483, 1015749), (44163, 471109), (48369, 430143), (61449, 338583), (112861, 184347), (143381, 145107)]