20544475

素因数分解:

$5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:596

約数の個数: 36

約数和(自身を含む): 30646848

約数和(自身を除く): 10102373

約数列:

[1, 5, 7, 25, 31, 35, 49, 155, 175, 217, 245, 541, 775, 1085, 1225, 1519, 2705, 3787, 5425, 7595, 13525, 16771, 18935, 26509, 37975, 83855, 94675, 117397, 132545, 419275, 586985, 662725, 821779, 2934925, 4108895, 20544475]

約数ペア:

[(1, 20544475), (5, 4108895), (7, 2934925), (25, 821779), (31, 662725), (35, 586985), (49, 419275), (155, 132545), (175, 117397), (217, 94675), (245, 83855), (541, 37975), (775, 26509), (1085, 18935), (1225, 16771), (1519, 13525), (2705, 7595), (3787, 5425)]