20776880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13669}}^1$

素因数の和:13701

約数の個数: 40

約数和(自身を含む): 50852400

約数和(自身を除く): 30075520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13669, 27338, 54676, 68345, 109352, 136690, 218704, 259711, 273380, 519422, 546760, 1038844, 1093520, 1298555, 2077688, 2597110, 4155376, 5194220, 10388440, 20776880]

約数ペア:

[(1, 20776880), (2, 10388440), (4, 5194220), (5, 4155376), (8, 2597110), (10, 2077688), (16, 1298555), (19, 1093520), (20, 1038844), (38, 546760), (40, 519422), (76, 273380), (80, 259711), (95, 218704), (152, 136690), (190, 109352), (304, 68345), (380, 54676), (760, 27338), (1520, 13669)]