20153668

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{547}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 36150464

約数和(自身を除く): 15996796

約数列:

[1, 2, 4, 61, 122, 151, 244, 302, 547, 604, 1094, 2188, 9211, 18422, 33367, 36844, 66734, 82597, 133468, 165194, 330388, 5038417, 10076834, 20153668]

約数ペア:

[(1, 20153668), (2, 10076834), (4, 5038417), (61, 330388), (122, 165194), (151, 133468), (244, 82597), (302, 66734), (547, 36844), (604, 33367), (1094, 18422), (2188, 9211)]