20440628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5867}}^1$

素因数の和:5951

約数の個数: 24

約数和(自身を含む): 39104352

約数和(自身を除く): 18663724

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5867, 11734, 23468, 76271, 152542, 305084, 393089, 786178, 1572356, 5110157, 10220314, 20440628]

約数ペア:

[(1, 20440628), (2, 10220314), (4, 5110157), (13, 1572356), (26, 786178), (52, 393089), (67, 305084), (134, 152542), (268, 76271), (871, 23468), (1742, 11734), (3484, 5867)]