20629710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4877}}^1$

素因数の和:4937

約数の個数: 48

約数和(自身を含む): 54789696

約数和(自身を除く): 34159986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4877, 9754, 14631, 24385, 29262, 43893, 48770, 73155, 87786, 146310, 219465, 229219, 438930, 458438, 687657, 1146095, 1375314, 2062971, 2292190, 3438285, 4125942, 6876570, 10314855, 20629710]

約数ペア:

[(1, 20629710), (2, 10314855), (3, 6876570), (5, 4125942), (6, 3438285), (9, 2292190), (10, 2062971), (15, 1375314), (18, 1146095), (30, 687657), (45, 458438), (47, 438930), (90, 229219), (94, 219465), (141, 146310), (235, 87786), (282, 73155), (423, 48770), (470, 43893), (705, 29262), (846, 24385), (1410, 14631), (2115, 9754), (4230, 4877)]