20717496

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{4877}}^1$

素因数の和:4948

約数の個数: 48

約数和(自身を含む): 57072600

約数和(自身を除く): 36355104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 4877, 9754, 14631, 19508, 29262, 39016, 43893, 58524, 87786, 117048, 175572, 287743, 351144, 575486, 863229, 1150972, 1726458, 2301944, 2589687, 3452916, 5179374, 6905832, 10358748, 20717496]

約数ペア:

[(1, 20717496), (2, 10358748), (3, 6905832), (4, 5179374), (6, 3452916), (8, 2589687), (9, 2301944), (12, 1726458), (18, 1150972), (24, 863229), (36, 575486), (59, 351144), (72, 287743), (118, 175572), (177, 117048), (236, 87786), (354, 58524), (472, 43893), (531, 39016), (708, 29262), (1062, 19508), (1416, 14631), (2124, 9754), (4248, 4877)]