20965290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14869}}^1$

素因数の和:14926

約数の個数: 32

約数和(自身を含む): 51390720

約数和(自身を除く): 30425430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 14869, 29738, 44607, 74345, 89214, 148690, 223035, 446070, 698843, 1397686, 2096529, 3494215, 4193058, 6988430, 10482645, 20965290]

約数ペア:

[(1, 20965290), (2, 10482645), (3, 6988430), (5, 4193058), (6, 3494215), (10, 2096529), (15, 1397686), (30, 698843), (47, 446070), (94, 223035), (141, 148690), (235, 89214), (282, 74345), (470, 44607), (705, 29738), (1410, 14869)]