20738628

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18583}}^1$

素因数の和:18624

約数の個数: 36

約数和(自身を含む): 54116608

約数和(自身を除く): 33377980

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18583, 37166, 55749, 74332, 111498, 167247, 222996, 334494, 576073, 668988, 1152146, 1728219, 2304292, 3456438, 5184657, 6912876, 10369314, 20738628]

約数ペア:

[(1, 20738628), (2, 10369314), (3, 6912876), (4, 5184657), (6, 3456438), (9, 2304292), (12, 1728219), (18, 1152146), (31, 668988), (36, 576073), (62, 334494), (93, 222996), (124, 167247), (186, 111498), (279, 74332), (372, 55749), (558, 37166), (1116, 18583)]