20170972755

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2621309}}^1$

素因数の和:2621345

約数の個数: 40

約数和(自身を含む): 38061421200

約数和(自身を除く): 17890448445

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 2621309, 7863927, 13106545, 23591781, 39319635, 49804871, 70775343, 117958905, 149414613, 212326029, 249024355, 353876715, 448243839, 747073065, 1061630145, 1344731517, 2241219195, 4034194551, 6723657585, 20170972755]

約数ペア:

[(1, 20170972755), (3, 6723657585), (5, 4034194551), (9, 2241219195), (15, 1344731517), (19, 1061630145), (27, 747073065), (45, 448243839), (57, 353876715), (81, 249024355), (95, 212326029), (135, 149414613), (171, 117958905), (285, 70775343), (405, 49804871), (513, 39319635), (855, 23591781), (1539, 13106545), (2565, 7863927), (7695, 2621309)]