20402940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340049}}^1$

素因数の和:340061

約数の個数: 24

約数和(自身を含む): 57128400

約数和(自身を除く): 36725460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340049, 680098, 1020147, 1360196, 1700245, 2040294, 3400490, 4080588, 5100735, 6800980, 10201470, 20402940]

約数ペア:

[(1, 20402940), (2, 10201470), (3, 6800980), (4, 5100735), (5, 4080588), (6, 3400490), (10, 2040294), (12, 1700245), (15, 1360196), (20, 1020147), (30, 680098), (60, 340049)]