20189798860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13110259}}^1$

素因数の和:13110286

約数の個数: 48

約数和(自身を含む): 52860568320

約数和(自身を除く): 32670769460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 13110259, 26220518, 52441036, 65551295, 91771813, 131102590, 144212849, 183543626, 262205180, 288425698, 367087252, 458859065, 576851396, 721064245, 917718130, 1009489943, 1442128490, 1835436260, 2018979886, 2884256980, 4037959772, 5047449715, 10094899430, 20189798860]

約数ペア:

[(1, 20189798860), (2, 10094899430), (4, 5047449715), (5, 4037959772), (7, 2884256980), (10, 2018979886), (11, 1835436260), (14, 1442128490), (20, 1009489943), (22, 917718130), (28, 721064245), (35, 576851396), (44, 458859065), (55, 367087252), (70, 288425698), (77, 262205180), (110, 183543626), (140, 144212849), (154, 131102590), (220, 91771813), (308, 65551295), (385, 52441036), (770, 26220518), (1540, 13110259)]