20910360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{643}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 63060480

約数和(自身を除く): 42150120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 643, 813, 1084, 1286, 1355, 1626, 1929, 2168, 2572, 2710, 3215, 3252, 3858, 4065, 5144, 5420, 6430, 6504, 7716, 8130, 9645, 10840, 12860, 15432, 16260, 19290, 25720, 32520, 38580, 77160, 174253, 348506, 522759, 697012, 871265, 1045518, 1394024, 1742530, 2091036, 2613795, 3485060, 4182072, 5227590, 6970120, 10455180, 20910360]

約数ペア:

[(1, 20910360), (2, 10455180), (3, 6970120), (4, 5227590), (5, 4182072), (6, 3485060), (8, 2613795), (10, 2091036), (12, 1742530), (15, 1394024), (20, 1045518), (24, 871265), (30, 697012), (40, 522759), (60, 348506), (120, 174253), (271, 77160), (542, 38580), (643, 32520), (813, 25720), (1084, 19290), (1286, 16260), (1355, 15432), (1626, 12860), (1929, 10840), (2168, 9645), (2572, 8130), (2710, 7716), (3215, 6504), (3252, 6430), (3858, 5420), (4065, 5144)]