20570920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27067}}^1$

素因数の和:27097

約数の個数: 32

約数和(自身を含む): 48722400

約数和(自身を除く): 28151480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 27067, 54134, 108268, 135335, 216536, 270670, 514273, 541340, 1028546, 1082680, 2057092, 2571365, 4114184, 5142730, 10285460, 20570920]

約数ペア:

[(1, 20570920), (2, 10285460), (4, 5142730), (5, 4114184), (8, 2571365), (10, 2057092), (19, 1082680), (20, 1028546), (38, 541340), (40, 514273), (76, 270670), (95, 216536), (152, 135335), (190, 108268), (380, 54134), (760, 27067)]