20699340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 60673536

約数和(自身を除く): 39974196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 71, 86, 113, 129, 142, 172, 213, 215, 226, 258, 284, 339, 355, 426, 430, 452, 516, 565, 645, 678, 710, 852, 860, 1065, 1130, 1290, 1356, 1420, 1695, 2130, 2260, 2580, 3053, 3390, 4260, 4859, 6106, 6780, 8023, 9159, 9718, 12212, 14577, 15265, 16046, 18318, 19436, 24069, 24295, 29154, 30530, 32092, 36636, 40115, 45795, 48138, 48590, 58308, 61060, 72885, 80230, 91590, 96276, 97180, 120345, 145770, 160460, 183180, 240690, 291540, 344989, 481380, 689978, 1034967, 1379956, 1724945, 2069934, 3449890, 4139868, 5174835, 6899780, 10349670, 20699340]

約数ペア:

[(1, 20699340), (2, 10349670), (3, 6899780), (4, 5174835), (5, 4139868), (6, 3449890), (10, 2069934), (12, 1724945), (15, 1379956), (20, 1034967), (30, 689978), (43, 481380), (60, 344989), (71, 291540), (86, 240690), (113, 183180), (129, 160460), (142, 145770), (172, 120345), (213, 97180), (215, 96276), (226, 91590), (258, 80230), (284, 72885), (339, 61060), (355, 58308), (426, 48590), (430, 48138), (452, 45795), (516, 40115), (565, 36636), (645, 32092), (678, 30530), (710, 29154), (852, 24295), (860, 24069), (1065, 19436), (1130, 18318), (1290, 16046), (1356, 15265), (1420, 14577), (1695, 12212), (2130, 9718), (2260, 9159), (2580, 8023), (3053, 6780), (3390, 6106), (4260, 4859)]