20035560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1621}}^1$

素因数の和:1738

約数の個数: 64

約数和(自身を含む): 60727680

約数和(自身を除く): 40692120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1621, 2060, 2472, 3090, 3242, 4120, 4863, 6180, 6484, 8105, 9726, 12360, 12968, 16210, 19452, 24315, 32420, 38904, 48630, 64840, 97260, 166963, 194520, 333926, 500889, 667852, 834815, 1001778, 1335704, 1669630, 2003556, 2504445, 3339260, 4007112, 5008890, 6678520, 10017780, 20035560]

約数ペア:

[(1, 20035560), (2, 10017780), (3, 6678520), (4, 5008890), (5, 4007112), (6, 3339260), (8, 2504445), (10, 2003556), (12, 1669630), (15, 1335704), (20, 1001778), (24, 834815), (30, 667852), (40, 500889), (60, 333926), (103, 194520), (120, 166963), (206, 97260), (309, 64840), (412, 48630), (515, 38904), (618, 32420), (824, 24315), (1030, 19452), (1236, 16210), (1545, 12968), (1621, 12360), (2060, 9726), (2472, 8105), (3090, 6484), (3242, 6180), (4120, 4863)]