20962590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 55399680

約数和(自身を除く): 34437090

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 139, 165, 278, 330, 417, 457, 695, 834, 914, 1371, 1390, 1529, 2085, 2285, 2742, 3058, 4170, 4570, 4587, 5027, 6855, 7645, 9174, 10054, 13710, 15081, 15290, 22935, 25135, 30162, 45870, 50270, 63523, 75405, 127046, 150810, 190569, 317615, 381138, 635230, 698753, 952845, 1397506, 1905690, 2096259, 3493765, 4192518, 6987530, 10481295, 20962590]

約数ペア:

[(1, 20962590), (2, 10481295), (3, 6987530), (5, 4192518), (6, 3493765), (10, 2096259), (11, 1905690), (15, 1397506), (22, 952845), (30, 698753), (33, 635230), (55, 381138), (66, 317615), (110, 190569), (139, 150810), (165, 127046), (278, 75405), (330, 63523), (417, 50270), (457, 45870), (695, 30162), (834, 25135), (914, 22935), (1371, 15290), (1390, 15081), (1529, 13710), (2085, 10054), (2285, 9174), (2742, 7645), (3058, 6855), (4170, 5027), (4570, 4587)]