20546340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{773}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 57734208

約数和(自身を除く): 37187868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 443, 773, 886, 1329, 1546, 1772, 2215, 2319, 2658, 3092, 3865, 4430, 4638, 5316, 6645, 7730, 8860, 9276, 11595, 13290, 15460, 23190, 26580, 46380, 342439, 684878, 1027317, 1369756, 1712195, 2054634, 3424390, 4109268, 5136585, 6848780, 10273170, 20546340]

約数ペア:

[(1, 20546340), (2, 10273170), (3, 6848780), (4, 5136585), (5, 4109268), (6, 3424390), (10, 2054634), (12, 1712195), (15, 1369756), (20, 1027317), (30, 684878), (60, 342439), (443, 46380), (773, 26580), (886, 23190), (1329, 15460), (1546, 13290), (1772, 11595), (2215, 9276), (2319, 8860), (2658, 7730), (3092, 6645), (3865, 5316), (4430, 4638)]