20429560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26881}}^1$

素因数の和:26911

約数の個数: 32

約数和(自身を含む): 48387600

約数和(自身を除く): 27958040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26881, 53762, 107524, 134405, 215048, 268810, 510739, 537620, 1021478, 1075240, 2042956, 2553695, 4085912, 5107390, 10214780, 20429560]

約数ペア:

[(1, 20429560), (2, 10214780), (4, 5107390), (5, 4085912), (8, 2553695), (10, 2042956), (19, 1075240), (20, 1021478), (38, 537620), (40, 510739), (76, 268810), (95, 215048), (152, 134405), (190, 107524), (380, 53762), (760, 26881)]