20009472861

素因数分解:

$3^1\times 7^2\times {\mathrm{3677}}^1\times {\mathrm{37019}}^1$

素因数の和:40713

約数の個数: 24

約数和(自身を含む): 31044379680

約数和(自身を除く): 11034906819

約数列:

[1, 3, 7, 21, 49, 147, 3677, 11031, 25739, 37019, 77217, 111057, 180173, 259133, 540519, 777399, 1813931, 5441793, 136118863, 408356589, 952832041, 2858496123, 6669824287, 20009472861]

約数ペア:

[(1, 20009472861), (3, 6669824287), (7, 2858496123), (21, 952832041), (49, 408356589), (147, 136118863), (3677, 5441793), (11031, 1813931), (25739, 777399), (37019, 540519), (77217, 259133), (111057, 180173)]