20762950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1879}}^1$

素因数の和:1921

約数の個数: 48

約数和(自身を含む): 44059680

約数和(自身を除く): 23296730

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 1879, 2210, 3758, 5525, 9395, 11050, 18790, 24427, 31943, 46975, 48854, 63886, 93950, 122135, 159715, 244270, 319430, 415259, 610675, 798575, 830518, 1221350, 1597150, 2076295, 4152590, 10381475, 20762950]

約数ペア:

[(1, 20762950), (2, 10381475), (5, 4152590), (10, 2076295), (13, 1597150), (17, 1221350), (25, 830518), (26, 798575), (34, 610675), (50, 415259), (65, 319430), (85, 244270), (130, 159715), (170, 122135), (221, 93950), (325, 63886), (425, 48854), (442, 46975), (650, 31943), (850, 24427), (1105, 18790), (1879, 11050), (2210, 9395), (3758, 5525)]