20785989090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{653}}^1\times {\mathrm{2161}}^1$

素因数の和:3315

約数の個数: 64

約数和(自身を含む): 50087693952

約数和(自身を除く): 29301704862

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 491, 653, 982, 1306, 1473, 1959, 2161, 2455, 2946, 3265, 3918, 4322, 4910, 6483, 6530, 7365, 9795, 10805, 12966, 14730, 19590, 21610, 32415, 64830, 320623, 641246, 961869, 1061051, 1411133, 1603115, 1923738, 2122102, 2822266, 3183153, 3206230, 4233399, 4809345, 5305255, 6366306, 7055665, 8466798, 9618690, 10610510, 14111330, 15915765, 21166995, 31831530, 42333990, 692866303, 1385732606, 2078598909, 3464331515, 4157197818, 6928663030, 10392994545, 20785989090]

約数ペア:

[(1, 20785989090), (2, 10392994545), (3, 6928663030), (5, 4157197818), (6, 3464331515), (10, 2078598909), (15, 1385732606), (30, 692866303), (491, 42333990), (653, 31831530), (982, 21166995), (1306, 15915765), (1473, 14111330), (1959, 10610510), (2161, 9618690), (2455, 8466798), (2946, 7055665), (3265, 6366306), (3918, 5305255), (4322, 4809345), (4910, 4233399), (6483, 3206230), (6530, 3183153), (7365, 2822266), (9795, 2122102), (10805, 1923738), (12966, 1603115), (14730, 1411133), (19590, 1061051), (21610, 961869), (32415, 641246), (64830, 320623)]