20619120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1621}}^1$

素因数の和:1690

約数の個数: 80

約数和(自身を含む): 65165472

約数和(自身を除く): 44546352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 1621, 2120, 2544, 3180, 3242, 4240, 4863, 6360, 6484, 8105, 9726, 12720, 12968, 16210, 19452, 24315, 25936, 32420, 38904, 48630, 64840, 77808, 85913, 97260, 129680, 171826, 194520, 257739, 343652, 389040, 429565, 515478, 687304, 859130, 1030956, 1288695, 1374608, 1718260, 2061912, 2577390, 3436520, 4123824, 5154780, 6873040, 10309560, 20619120]

約数ペア:

[(1, 20619120), (2, 10309560), (3, 6873040), (4, 5154780), (5, 4123824), (6, 3436520), (8, 2577390), (10, 2061912), (12, 1718260), (15, 1374608), (16, 1288695), (20, 1030956), (24, 859130), (30, 687304), (40, 515478), (48, 429565), (53, 389040), (60, 343652), (80, 257739), (106, 194520), (120, 171826), (159, 129680), (212, 97260), (240, 85913), (265, 77808), (318, 64840), (424, 48630), (530, 38904), (636, 32420), (795, 25936), (848, 24315), (1060, 19452), (1272, 16210), (1590, 12968), (1621, 12720), (2120, 9726), (2544, 8105), (3180, 6484), (3242, 6360), (4240, 4863)]