20188045780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2143}}^1\times {\mathrm{67289}}^1$

素因数の和:69448

約数の個数: 48

約数和(自身を含む): 48474639360

約数和(自身を除く): 28286593580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2143, 4286, 8572, 10715, 15001, 21430, 30002, 42860, 60004, 67289, 75005, 134578, 150010, 269156, 300020, 336445, 471023, 672890, 942046, 1345780, 1884092, 2355115, 4710230, 9420460, 144200327, 288400654, 576801308, 721001635, 1009402289, 1442003270, 2018804578, 2884006540, 4037609156, 5047011445, 10094022890, 20188045780]

約数ペア:

[(1, 20188045780), (2, 10094022890), (4, 5047011445), (5, 4037609156), (7, 2884006540), (10, 2018804578), (14, 1442003270), (20, 1009402289), (28, 721001635), (35, 576801308), (70, 288400654), (140, 144200327), (2143, 9420460), (4286, 4710230), (8572, 2355115), (10715, 1884092), (15001, 1345780), (21430, 942046), (30002, 672890), (42860, 471023), (60004, 336445), (67289, 300020), (75005, 269156), (134578, 150010)]