20247741

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 30161664

約数和(自身を除く): 9913923

約数列:

[1, 3, 9, 47, 141, 151, 317, 423, 453, 951, 1359, 2853, 7097, 14899, 21291, 44697, 47867, 63873, 134091, 143601, 430803, 2249749, 6749247, 20247741]

約数ペア:

[(1, 20247741), (3, 6749247), (9, 2249749), (47, 430803), (141, 143601), (151, 134091), (317, 63873), (423, 47867), (453, 44697), (951, 21291), (1359, 14899), (2853, 7097)]