20820564

素因数分解:

$2^2\times 3^4\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:554

約数の個数: 60

約数和(自身を含む): 54885600

約数和(自身を除く): 34065036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 179, 324, 358, 359, 537, 716, 718, 1074, 1077, 1436, 1611, 2148, 2154, 3222, 3231, 4308, 4833, 6444, 6462, 9666, 9693, 12924, 14499, 19332, 19386, 28998, 29079, 38772, 57996, 58158, 64261, 116316, 128522, 192783, 257044, 385566, 578349, 771132, 1156698, 1735047, 2313396, 3470094, 5205141, 6940188, 10410282, 20820564]

約数ペア:

[(1, 20820564), (2, 10410282), (3, 6940188), (4, 5205141), (6, 3470094), (9, 2313396), (12, 1735047), (18, 1156698), (27, 771132), (36, 578349), (54, 385566), (81, 257044), (108, 192783), (162, 128522), (179, 116316), (324, 64261), (358, 58158), (359, 57996), (537, 38772), (716, 29079), (718, 28998), (1074, 19386), (1077, 19332), (1436, 14499), (1611, 12924), (2148, 9693), (2154, 9666), (3222, 6462), (3231, 6444), (4308, 4833)]