20845432

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4729}}^1$

素因数の和:4783

約数の個数: 32

約数和(自身を含む): 42570000

約数和(自身を除く): 21724568

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4729, 9458, 18916, 37832, 89851, 137141, 179702, 274282, 359404, 548564, 718808, 1097128, 2605679, 5211358, 10422716, 20845432]

約数ペア:

[(1, 20845432), (2, 10422716), (4, 5211358), (8, 2605679), (19, 1097128), (29, 718808), (38, 548564), (58, 359404), (76, 274282), (116, 179702), (152, 137141), (232, 89851), (551, 37832), (1102, 18916), (2204, 9458), (4408, 4729)]