201909920

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{6607}}^1$

素因数の和:6813

約数の個数: 48

約数和(自身を含む): 479582208

約数和(自身を除く): 277672288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 6112, 6607, 7640, 13214, 15280, 26428, 30560, 33035, 52856, 66070, 105712, 132140, 211424, 264280, 528560, 1057120, 1261937, 2523874, 5047748, 6309685, 10095496, 12619370, 20190992, 25238740, 40381984, 50477480, 100954960, 201909920]

約数ペア:

[(1, 201909920), (2, 100954960), (4, 50477480), (5, 40381984), (8, 25238740), (10, 20190992), (16, 12619370), (20, 10095496), (32, 6309685), (40, 5047748), (80, 2523874), (160, 1261937), (191, 1057120), (382, 528560), (764, 264280), (955, 211424), (1528, 132140), (1910, 105712), (3056, 66070), (3820, 52856), (6112, 33035), (6607, 30560), (7640, 26428), (13214, 15280)]