20805216448

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17109553}}^1$

素因数の和:17109584

約数の個数: 28

約数和(自身を含む): 43458267160

約数和(自身を除く): 22653050712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17109553, 34219106, 68438212, 136876424, 273752848, 325081507, 547505696, 650163014, 1095011392, 1300326028, 2600652056, 5201304112, 10402608224, 20805216448]

約数ペア:

[(1, 20805216448), (2, 10402608224), (4, 5201304112), (8, 2600652056), (16, 1300326028), (19, 1095011392), (32, 650163014), (38, 547505696), (64, 325081507), (76, 273752848), (152, 136876424), (304, 68438212), (608, 34219106), (1216, 17109553)]