20320620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2273}}^1$

素因数の和:2434

約数の個数: 48

約数和(自身を含む): 57304800

約数和(自身を除く): 36984180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2235, 2273, 2980, 4470, 4546, 6819, 8940, 9092, 11365, 13638, 22730, 27276, 34095, 45460, 68190, 136380, 338677, 677354, 1016031, 1354708, 1693385, 2032062, 3386770, 4064124, 5080155, 6773540, 10160310, 20320620]

約数ペア:

[(1, 20320620), (2, 10160310), (3, 6773540), (4, 5080155), (5, 4064124), (6, 3386770), (10, 2032062), (12, 1693385), (15, 1354708), (20, 1016031), (30, 677354), (60, 338677), (149, 136380), (298, 68190), (447, 45460), (596, 34095), (745, 27276), (894, 22730), (1490, 13638), (1788, 11365), (2235, 9092), (2273, 8940), (2980, 6819), (4470, 4546)]