20899681401

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{79889}}^1$

素因数の和:80049

約数の個数: 32

約数和(自身を含む): 30064204800

約数和(自身を除く): 9164523399

約数列:

[1, 3, 29, 31, 87, 93, 97, 291, 899, 2697, 2813, 3007, 8439, 9021, 79889, 87203, 239667, 261609, 2316781, 2476559, 6950343, 7429677, 7749233, 23247699, 71820211, 215460633, 224727757, 240226223, 674183271, 720678669, 6966560467, 20899681401]

約数ペア:

[(1, 20899681401), (3, 6966560467), (29, 720678669), (31, 674183271), (87, 240226223), (93, 224727757), (97, 215460633), (291, 71820211), (899, 23247699), (2697, 7749233), (2813, 7429677), (3007, 6950343), (8439, 2476559), (9021, 2316781), (79889, 261609), (87203, 239667)]