20184668420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144176203}}^1$

素因数の和:144176219

約数の個数: 24

約数和(自身を含む): 48443204544

約数和(自身を除く): 28258536124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144176203, 288352406, 576704812, 720881015, 1009233421, 1441762030, 2018466842, 2883524060, 4036933684, 5046167105, 10092334210, 20184668420]

約数ペア:

[(1, 20184668420), (2, 10092334210), (4, 5046167105), (5, 4036933684), (7, 2883524060), (10, 2018466842), (14, 1441762030), (20, 1009233421), (28, 720881015), (35, 576704812), (70, 288352406), (140, 144176203)]