20145803781

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1\times {\mathrm{9007}}^1$

素因数の和:9633

約数の個数: 32

約数和(自身を含む): 28433571840

約数和(自身を除く): 8287768059

約数列:

[1, 3, 29, 47, 87, 141, 547, 1363, 1641, 4089, 9007, 15863, 25709, 27021, 47589, 77127, 261203, 423329, 745561, 783609, 1269987, 2236683, 4926829, 12276541, 14780487, 36829623, 142878041, 231560963, 428634123, 694682889, 6715267927, 20145803781]

約数ペア:

[(1, 20145803781), (3, 6715267927), (29, 694682889), (47, 428634123), (87, 231560963), (141, 142878041), (547, 36829623), (1363, 14780487), (1641, 12276541), (4089, 4926829), (9007, 2236683), (15863, 1269987), (25709, 783609), (27021, 745561), (47589, 423329), (77127, 261203)]