20924450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 41783040

約数和(自身を除く): 20858590

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 103, 170, 206, 239, 425, 478, 515, 850, 1030, 1195, 1751, 2390, 2575, 3502, 4063, 5150, 5975, 8126, 8755, 11950, 17510, 20315, 24617, 40630, 43775, 49234, 87550, 101575, 123085, 203150, 246170, 418489, 615425, 836978, 1230850, 2092445, 4184890, 10462225, 20924450]

約数ペア:

[(1, 20924450), (2, 10462225), (5, 4184890), (10, 2092445), (17, 1230850), (25, 836978), (34, 615425), (50, 418489), (85, 246170), (103, 203150), (170, 123085), (206, 101575), (239, 87550), (425, 49234), (478, 43775), (515, 40630), (850, 24617), (1030, 20315), (1195, 17510), (1751, 11950), (2390, 8755), (2575, 8126), (3502, 5975), (4063, 5150)]