20185325

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 26248320

約数和(自身を除く): 6062995

約数列:

[1, 5, 25, 41, 47, 205, 235, 419, 1025, 1175, 1927, 2095, 9635, 10475, 17179, 19693, 48175, 85895, 98465, 429475, 492325, 807413, 4037065, 20185325]

約数ペア:

[(1, 20185325), (5, 4037065), (25, 807413), (41, 492325), (47, 429475), (205, 98465), (235, 85895), (419, 48175), (1025, 19693), (1175, 17179), (1927, 10475), (2095, 9635)]