20295120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:940

約数の個数: 80

約数和(自身を含む): 63603072

約数和(自身を除く): 43307952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 821, 824, 1030, 1236, 1545, 1642, 1648, 2060, 2463, 2472, 3090, 3284, 4105, 4120, 4926, 4944, 6180, 6568, 8210, 8240, 9852, 12315, 12360, 13136, 16420, 19704, 24630, 24720, 32840, 39408, 49260, 65680, 84563, 98520, 169126, 197040, 253689, 338252, 422815, 507378, 676504, 845630, 1014756, 1268445, 1353008, 1691260, 2029512, 2536890, 3382520, 4059024, 5073780, 6765040, 10147560, 20295120]

約数ペア:

[(1, 20295120), (2, 10147560), (3, 6765040), (4, 5073780), (5, 4059024), (6, 3382520), (8, 2536890), (10, 2029512), (12, 1691260), (15, 1353008), (16, 1268445), (20, 1014756), (24, 845630), (30, 676504), (40, 507378), (48, 422815), (60, 338252), (80, 253689), (103, 197040), (120, 169126), (206, 98520), (240, 84563), (309, 65680), (412, 49260), (515, 39408), (618, 32840), (821, 24720), (824, 24630), (1030, 19704), (1236, 16420), (1545, 13136), (1642, 12360), (1648, 12315), (2060, 9852), (2463, 8240), (2472, 8210), (3090, 6568), (3284, 6180), (4105, 4944), (4120, 4926)]