20215668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5281}}^1$

素因数の和:5328

約数の個数: 48

約数和(自身を含む): 53242560

約数和(自身を除く): 33026892

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 132, 174, 319, 348, 638, 957, 1276, 1914, 3828, 5281, 10562, 15843, 21124, 31686, 58091, 63372, 116182, 153149, 174273, 232364, 306298, 348546, 459447, 612596, 697092, 918894, 1684639, 1837788, 3369278, 5053917, 6738556, 10107834, 20215668]

約数ペア:

[(1, 20215668), (2, 10107834), (3, 6738556), (4, 5053917), (6, 3369278), (11, 1837788), (12, 1684639), (22, 918894), (29, 697092), (33, 612596), (44, 459447), (58, 348546), (66, 306298), (87, 232364), (116, 174273), (132, 153149), (174, 116182), (319, 63372), (348, 58091), (638, 31686), (957, 21124), (1276, 15843), (1914, 10562), (3828, 5281)]