20922050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 20325310

約数列:

[1, 2, 5, 10, 25, 29, 47, 50, 58, 94, 145, 235, 290, 307, 470, 614, 725, 1175, 1363, 1450, 1535, 2350, 2726, 3070, 6815, 7675, 8903, 13630, 14429, 15350, 17806, 28858, 34075, 44515, 68150, 72145, 89030, 144290, 222575, 360725, 418441, 445150, 721450, 836882, 2092205, 4184410, 10461025, 20922050]

約数ペア:

[(1, 20922050), (2, 10461025), (5, 4184410), (10, 2092205), (25, 836882), (29, 721450), (47, 445150), (50, 418441), (58, 360725), (94, 222575), (145, 144290), (235, 89030), (290, 72145), (307, 68150), (470, 44515), (614, 34075), (725, 28858), (1175, 17806), (1363, 15350), (1450, 14429), (1535, 13630), (2350, 8903), (2726, 7675), (3070, 6815)]