20440714

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15847286

約数列:

[1, 2, 7, 14, 41, 82, 149, 239, 287, 298, 478, 574, 1043, 1673, 2086, 3346, 6109, 9799, 12218, 19598, 35611, 42763, 68593, 71222, 85526, 137186, 249277, 498554, 1460051, 2920102, 10220357, 20440714]

約数ペア:

[(1, 20440714), (2, 10220357), (7, 2920102), (14, 1460051), (41, 498554), (82, 249277), (149, 137186), (239, 85526), (287, 71222), (298, 68593), (478, 42763), (574, 35611), (1043, 19598), (1673, 12218), (2086, 9799), (3346, 6109)]