20216796860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4092469}}^1$

素因数の和:4092510

約数の個数: 48

約数和(自身を含む): 48127447200

約数和(自身を除く): 27910650340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 4092469, 8184938, 16369876, 20462345, 40924690, 53202097, 77756911, 81849380, 106404194, 155513822, 212808388, 266010485, 311027644, 388784555, 532020970, 777569110, 1010839843, 1064041940, 1555138220, 2021679686, 4043359372, 5054199215, 10108398430, 20216796860]

約数ペア:

[(1, 20216796860), (2, 10108398430), (4, 5054199215), (5, 4043359372), (10, 2021679686), (13, 1555138220), (19, 1064041940), (20, 1010839843), (26, 777569110), (38, 532020970), (52, 388784555), (65, 311027644), (76, 266010485), (95, 212808388), (130, 155513822), (190, 106404194), (247, 81849380), (260, 77756911), (380, 53202097), (494, 40924690), (988, 20462345), (1235, 16369876), (2470, 8184938), (4940, 4092469)]