20888973140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149206951}}^1$

素因数の和:149206967

約数の個数: 24

約数和(自身を含む): 50133535872

約数和(自身を除く): 29244562732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149206951, 298413902, 596827804, 746034755, 1044448657, 1492069510, 2088897314, 2984139020, 4177794628, 5222243285, 10444486570, 20888973140]

約数ペア:

[(1, 20888973140), (2, 10444486570), (4, 5222243285), (5, 4177794628), (7, 2984139020), (10, 2088897314), (14, 1492069510), (20, 1044448657), (28, 746034755), (35, 596827804), (70, 298413902), (140, 149206951)]