20436138

素因数分解:

$2^1\times 3^4\times {\mathrm{101}}^1\times {\mathrm{1249}}^1$

素因数の和:1364

約数の個数: 40

約数和(自身を含む): 46282500

約数和(自身を除く): 25846362

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 101, 162, 202, 303, 606, 909, 1249, 1818, 2498, 2727, 3747, 5454, 7494, 8181, 11241, 16362, 22482, 33723, 67446, 101169, 126149, 202338, 252298, 378447, 756894, 1135341, 2270682, 3406023, 6812046, 10218069, 20436138]

約数ペア:

[(1, 20436138), (2, 10218069), (3, 6812046), (6, 3406023), (9, 2270682), (18, 1135341), (27, 756894), (54, 378447), (81, 252298), (101, 202338), (162, 126149), (202, 101169), (303, 67446), (606, 33723), (909, 22482), (1249, 16362), (1818, 11241), (2498, 8181), (2727, 7494), (3747, 5454)]