20122760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71867}}^1$

素因数の和:71885

約数の個数: 32

約数和(自身を含む): 51744960

約数和(自身を除く): 31622200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71867, 143734, 287468, 359335, 503069, 574936, 718670, 1006138, 1437340, 2012276, 2515345, 2874680, 4024552, 5030690, 10061380, 20122760]

約数ペア:

[(1, 20122760), (2, 10061380), (4, 5030690), (5, 4024552), (7, 2874680), (8, 2515345), (10, 2012276), (14, 1437340), (20, 1006138), (28, 718670), (35, 574936), (40, 503069), (56, 359335), (70, 287468), (140, 143734), (280, 71867)]