20163800645

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{21673}}^1$

素因数の和:21869

約数の個数: 32

約数和(自身を含む): 25617627648

約数和(自身を除く): 5453827003

約数列:

[1, 5, 37, 47, 107, 185, 235, 535, 1739, 3959, 5029, 8695, 19795, 21673, 25145, 108365, 186073, 801901, 930365, 1018631, 2319011, 4009505, 5093155, 11595055, 37689347, 85803407, 108993517, 188446735, 429017035, 544967585, 4032760129, 20163800645]

約数ペア:

[(1, 20163800645), (5, 4032760129), (37, 544967585), (47, 429017035), (107, 188446735), (185, 108993517), (235, 85803407), (535, 37689347), (1739, 11595055), (3959, 5093155), (5029, 4009505), (8695, 2319011), (19795, 1018631), (21673, 930365), (25145, 801901), (108365, 186073)]