20747556

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{6197}}^1$

素因数の和:6241

約数の個数: 48

約数和(自身を含む): 55534080

約数和(自身を除く): 34786524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 6197, 12394, 18591, 24788, 37182, 55773, 74364, 111546, 167319, 192107, 223092, 334638, 384214, 576321, 669276, 768428, 1152642, 1728963, 2305284, 3457926, 5186889, 6915852, 10373778, 20747556]

約数ペア:

[(1, 20747556), (2, 10373778), (3, 6915852), (4, 5186889), (6, 3457926), (9, 2305284), (12, 1728963), (18, 1152642), (27, 768428), (31, 669276), (36, 576321), (54, 384214), (62, 334638), (93, 223092), (108, 192107), (124, 167319), (186, 111546), (279, 74364), (372, 55773), (558, 37182), (837, 24788), (1116, 18591), (1674, 12394), (3348, 6197)]