20922040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27529}}^1$

素因数の和:27559

約数の個数: 32

約数和(自身を含む): 49554000

約数和(自身を除く): 28631960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 27529, 55058, 110116, 137645, 220232, 275290, 523051, 550580, 1046102, 1101160, 2092204, 2615255, 4184408, 5230510, 10461020, 20922040]

約数ペア:

[(1, 20922040), (2, 10461020), (4, 5230510), (5, 4184408), (8, 2615255), (10, 2092204), (19, 1101160), (20, 1046102), (38, 550580), (40, 523051), (76, 275290), (95, 220232), (152, 137645), (190, 110116), (380, 55058), (760, 27529)]