20198817

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 9678303

約数列:

[1, 3, 9, 89, 151, 167, 267, 453, 501, 801, 1359, 1503, 13439, 14863, 25217, 40317, 44589, 75651, 120951, 133767, 226953, 2244313, 6732939, 20198817]

約数ペア:

[(1, 20198817), (3, 6732939), (9, 2244313), (89, 226953), (151, 133767), (167, 120951), (267, 75651), (453, 44589), (501, 40317), (801, 25217), (1359, 14863), (1503, 13439)]