20518410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 54359424

約数和(自身を除く): 33841014

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 97, 110, 165, 194, 291, 330, 485, 582, 641, 970, 1067, 1282, 1455, 1923, 2134, 2910, 3201, 3205, 3846, 5335, 6402, 6410, 7051, 9615, 10670, 14102, 16005, 19230, 21153, 32010, 35255, 42306, 62177, 70510, 105765, 124354, 186531, 211530, 310885, 373062, 621770, 683947, 932655, 1367894, 1865310, 2051841, 3419735, 4103682, 6839470, 10259205, 20518410]

約数ペア:

[(1, 20518410), (2, 10259205), (3, 6839470), (5, 4103682), (6, 3419735), (10, 2051841), (11, 1865310), (15, 1367894), (22, 932655), (30, 683947), (33, 621770), (55, 373062), (66, 310885), (97, 211530), (110, 186531), (165, 124354), (194, 105765), (291, 70510), (330, 62177), (485, 42306), (582, 35255), (641, 32010), (970, 21153), (1067, 19230), (1282, 16005), (1455, 14102), (1923, 10670), (2134, 9615), (2910, 7051), (3201, 6410), (3205, 6402), (3846, 5335)]