20446870

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 37884672

約数和(自身を除く): 17437802

約数列:

[1, 2, 5, 10, 53, 106, 173, 223, 265, 346, 446, 530, 865, 1115, 1730, 2230, 9169, 11819, 18338, 23638, 38579, 45845, 59095, 77158, 91690, 118190, 192895, 385790, 2044687, 4089374, 10223435, 20446870]

約数ペア:

[(1, 20446870), (2, 10223435), (5, 4089374), (10, 2044687), (53, 385790), (106, 192895), (173, 118190), (223, 91690), (265, 77158), (346, 59095), (446, 45845), (530, 38579), (865, 23638), (1115, 18338), (1730, 11819), (2230, 9169)]