20302860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{647}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 57044736

約数和(自身を除く): 36741876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 523, 647, 1046, 1294, 1569, 1941, 2092, 2588, 2615, 3138, 3235, 3882, 5230, 6276, 6470, 7764, 7845, 9705, 10460, 12940, 15690, 19410, 31380, 38820, 338381, 676762, 1015143, 1353524, 1691905, 2030286, 3383810, 4060572, 5075715, 6767620, 10151430, 20302860]

約数ペア:

[(1, 20302860), (2, 10151430), (3, 6767620), (4, 5075715), (5, 4060572), (6, 3383810), (10, 2030286), (12, 1691905), (15, 1353524), (20, 1015143), (30, 676762), (60, 338381), (523, 38820), (647, 31380), (1046, 19410), (1294, 15690), (1569, 12940), (1941, 10460), (2092, 9705), (2588, 7845), (2615, 7764), (3138, 6470), (3235, 6276), (3882, 5230)]