31981420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{94063}}^1$

素因数の和:94089

約数の個数: 24

約数和(自身を含む): 71112384

約数和(自身を除く): 39130964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 94063, 188126, 376252, 470315, 940630, 1599071, 1881260, 3198142, 6396284, 7995355, 15990710, 31981420]

約数ペア:

[(1, 31981420), (2, 15990710), (4, 7995355), (5, 6396284), (10, 3198142), (17, 1881260), (20, 1599071), (34, 940630), (68, 470315), (85, 376252), (170, 188126), (340, 94063)]