20889420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6569}}^1$

素因数の和:6634

約数の個数: 48

約数和(自身を含む): 59603040

約数和(自身を除く): 38713620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6569, 13138, 19707, 26276, 32845, 39414, 65690, 78828, 98535, 131380, 197070, 348157, 394140, 696314, 1044471, 1392628, 1740785, 2088942, 3481570, 4177884, 5222355, 6963140, 10444710, 20889420]

約数ペア:

[(1, 20889420), (2, 10444710), (3, 6963140), (4, 5222355), (5, 4177884), (6, 3481570), (10, 2088942), (12, 1740785), (15, 1392628), (20, 1044471), (30, 696314), (53, 394140), (60, 348157), (106, 197070), (159, 131380), (212, 98535), (265, 78828), (318, 65690), (530, 39414), (636, 32845), (795, 26276), (1060, 19707), (1590, 13138), (3180, 6569)]