20851590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4603}}^1$

素因数の和:4764

約数の個数: 32

約数和(自身を含む): 50386176

約数和(自身を除く): 29534586

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 151, 302, 453, 755, 906, 1510, 2265, 4530, 4603, 9206, 13809, 23015, 27618, 46030, 69045, 138090, 695053, 1390106, 2085159, 3475265, 4170318, 6950530, 10425795, 20851590]

約数ペア:

[(1, 20851590), (2, 10425795), (3, 6950530), (5, 4170318), (6, 3475265), (10, 2085159), (15, 1390106), (30, 695053), (151, 138090), (302, 69045), (453, 46030), (755, 27618), (906, 23015), (1510, 13809), (2265, 9206), (4530, 4603)]