201720988

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{23017}}^1$

素因数の和:23341

約数の個数: 24

約数和(自身を含む): 404748512

約数和(自身を除く): 203027524

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 4382, 8764, 23017, 46034, 92068, 161119, 322238, 644476, 7204321, 14408642, 28817284, 50430247, 100860494, 201720988]

約数ペア:

[(1, 201720988), (2, 100860494), (4, 50430247), (7, 28817284), (14, 14408642), (28, 7204321), (313, 644476), (626, 322238), (1252, 161119), (2191, 92068), (4382, 46034), (8764, 23017)]