20903160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4051}}^1$

素因数の和:4108

約数の個数: 64

約数和(自身を含む): 64183680

約数和(自身を除く): 43280520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 4051, 5160, 8102, 12153, 16204, 20255, 24306, 32408, 40510, 48612, 60765, 81020, 97224, 121530, 162040, 174193, 243060, 348386, 486120, 522579, 696772, 870965, 1045158, 1393544, 1741930, 2090316, 2612895, 3483860, 4180632, 5225790, 6967720, 10451580, 20903160]

約数ペア:

[(1, 20903160), (2, 10451580), (3, 6967720), (4, 5225790), (5, 4180632), (6, 3483860), (8, 2612895), (10, 2090316), (12, 1741930), (15, 1393544), (20, 1045158), (24, 870965), (30, 696772), (40, 522579), (43, 486120), (60, 348386), (86, 243060), (120, 174193), (129, 162040), (172, 121530), (215, 97224), (258, 81020), (344, 60765), (430, 48612), (516, 40510), (645, 32408), (860, 24306), (1032, 20255), (1290, 16204), (1720, 12153), (2580, 8102), (4051, 5160)]