2020156120

素因数分解:

$2^3\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{26993}}^1$

素因数の和:28875

約数の個数: 32

約数和(自身を含む): 4547949120

約数和(自身を除く): 2527793000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1871, 3742, 7484, 9355, 14968, 18710, 26993, 37420, 53986, 74840, 107972, 134965, 215944, 269930, 539860, 1079720, 50503903, 101007806, 202015612, 252519515, 404031224, 505039030, 1010078060, 2020156120]

約数ペア:

[(1, 2020156120), (2, 1010078060), (4, 505039030), (5, 404031224), (8, 252519515), (10, 202015612), (20, 101007806), (40, 50503903), (1871, 1079720), (3742, 539860), (7484, 269930), (9355, 215944), (14968, 134965), (18710, 107972), (26993, 74840), (37420, 53986)]