20216402520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{205201}}^1$

素因数の和:206036

約数の個数: 64

約数和(自身を含む): 60723375840

約数和(自身を除く): 40506973320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 821, 1642, 2463, 3284, 4105, 4926, 6568, 8210, 9852, 12315, 16420, 19704, 24630, 32840, 49260, 98520, 205201, 410402, 615603, 820804, 1026005, 1231206, 1641608, 2052010, 2462412, 3078015, 4104020, 4924824, 6156030, 8208040, 12312060, 24624120, 168470021, 336940042, 505410063, 673880084, 842350105, 1010820126, 1347760168, 1684700210, 2021640252, 2527050315, 3369400420, 4043280504, 5054100630, 6738800840, 10108201260, 20216402520]

約数ペア:

[(1, 20216402520), (2, 10108201260), (3, 6738800840), (4, 5054100630), (5, 4043280504), (6, 3369400420), (8, 2527050315), (10, 2021640252), (12, 1684700210), (15, 1347760168), (20, 1010820126), (24, 842350105), (30, 673880084), (40, 505410063), (60, 336940042), (120, 168470021), (821, 24624120), (1642, 12312060), (2463, 8208040), (3284, 6156030), (4105, 4924824), (4926, 4104020), (6568, 3078015), (8210, 2462412), (9852, 2052010), (12315, 1641608), (16420, 1231206), (19704, 1026005), (24630, 820804), (32840, 615603), (49260, 410402), (98520, 205201)]