20852426

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 36858240

約数和(自身を除く): 16005814

約数列:

[1, 2, 7, 14, 53, 106, 157, 179, 314, 358, 371, 742, 1099, 1253, 2198, 2506, 8321, 9487, 16642, 18974, 28103, 56206, 58247, 66409, 116494, 132818, 196721, 393442, 1489459, 2978918, 10426213, 20852426]

約数ペア:

[(1, 20852426), (2, 10426213), (7, 2978918), (14, 1489459), (53, 393442), (106, 196721), (157, 132818), (179, 116494), (314, 66409), (358, 58247), (371, 56206), (742, 28103), (1099, 18974), (1253, 16642), (2198, 9487), (2506, 8321)]