20154340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32507}}^1$

素因数の和:32547

約数の個数: 24

約数和(自身を含む): 43690752

約数和(自身を除く): 23536412

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32507, 65014, 130028, 162535, 325070, 650140, 1007717, 2015434, 4030868, 5038585, 10077170, 20154340]

約数ペア:

[(1, 20154340), (2, 10077170), (4, 5038585), (5, 4030868), (10, 2015434), (20, 1007717), (31, 650140), (62, 325070), (124, 162535), (155, 130028), (310, 65014), (620, 32507)]