20090486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 34728960

約数和(自身を除く): 14638474

約数列:

[1, 2, 13, 19, 26, 38, 67, 134, 247, 494, 607, 871, 1214, 1273, 1742, 2546, 7891, 11533, 15782, 16549, 23066, 33098, 40669, 81338, 149929, 299858, 528697, 772711, 1057394, 1545422, 10045243, 20090486]

約数ペア:

[(1, 20090486), (2, 10045243), (13, 1545422), (19, 1057394), (26, 772711), (38, 528697), (67, 299858), (134, 149929), (247, 81338), (494, 40669), (607, 33098), (871, 23066), (1214, 16549), (1273, 15782), (1742, 11533), (2546, 7891)]