20612328

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 36066072

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 163, 264, 326, 479, 489, 652, 958, 978, 1304, 1437, 1793, 1916, 1956, 2874, 3586, 3832, 3912, 5269, 5379, 5748, 7172, 10538, 10758, 11496, 14344, 15807, 21076, 21516, 31614, 42152, 43032, 63228, 78077, 126456, 156154, 234231, 312308, 468462, 624616, 858847, 936924, 1717694, 1873848, 2576541, 3435388, 5153082, 6870776, 10306164, 20612328]

約数ペア:

[(1, 20612328), (2, 10306164), (3, 6870776), (4, 5153082), (6, 3435388), (8, 2576541), (11, 1873848), (12, 1717694), (22, 936924), (24, 858847), (33, 624616), (44, 468462), (66, 312308), (88, 234231), (132, 156154), (163, 126456), (264, 78077), (326, 63228), (479, 43032), (489, 42152), (652, 31614), (958, 21516), (978, 21076), (1304, 15807), (1437, 14344), (1793, 11496), (1916, 10758), (1956, 10538), (2874, 7172), (3586, 5748), (3832, 5379), (3912, 5269)]