20123793345

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2749}}^1\times {\mathrm{4561}}^1$

素因数の和:7425

約数の個数: 32

約数和(自身を含む): 32517936000

約数和(自身を除く): 12394142655

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 2749, 4561, 8247, 13683, 13745, 22805, 41235, 68415, 294143, 488027, 882429, 1464081, 1470715, 2440135, 4412145, 7320405, 12538189, 37614567, 62690945, 188072835, 1341586223, 4024758669, 6707931115, 20123793345]

約数ペア:

[(1, 20123793345), (3, 6707931115), (5, 4024758669), (15, 1341586223), (107, 188072835), (321, 62690945), (535, 37614567), (1605, 12538189), (2749, 7320405), (4561, 4412145), (8247, 2440135), (13683, 1470715), (13745, 1464081), (22805, 882429), (41235, 488027), (68415, 294143)]