20121528511

素因数分解:

$7^2\times {\mathrm{109}}^1\times {\mathrm{431}}^1\times {\mathrm{8741}}^1$

素因数の和:9295

約数の個数: 24

約数和(自身を含む): 23678930880

約数和(自身を除く): 3557402369

約数列:

[1, 7, 49, 109, 431, 763, 3017, 5341, 8741, 21119, 46979, 61187, 328853, 428309, 952769, 2301971, 3767371, 6669383, 26371597, 46685681, 184601179, 410643439, 2874504073, 20121528511]

約数ペア:

[(1, 20121528511), (7, 2874504073), (49, 410643439), (109, 184601179), (431, 46685681), (763, 26371597), (3017, 6669383), (5341, 3767371), (8741, 2301971), (21119, 952769), (46979, 428309), (61187, 328853)]