20768049104

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{12347}}^1$

素因数の和:12888

約数の個数: 80

約数和(自身を含む): 46302036480

約数和(自身を除く): 25533987376

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 503, 836, 1006, 1672, 2012, 3344, 4024, 5533, 8048, 9557, 11066, 12347, 19114, 22132, 24694, 38228, 44264, 49388, 76456, 88528, 98776, 105127, 135817, 152912, 197552, 210254, 234593, 271634, 420508, 469186, 543268, 841016, 938372, 1086536, 1682032, 1876744, 2173072, 2580523, 3753488, 5161046, 6210541, 10322092, 12421082, 20644184, 24842164, 41288368, 49684328, 68315951, 99368656, 118000279, 136631902, 236000558, 273263804, 472001116, 546527608, 944002232, 1093055216, 1298003069, 1888004464, 2596006138, 5192012276, 10384024552, 20768049104]

約数ペア:

[(1, 20768049104), (2, 10384024552), (4, 5192012276), (8, 2596006138), (11, 1888004464), (16, 1298003069), (19, 1093055216), (22, 944002232), (38, 546527608), (44, 472001116), (76, 273263804), (88, 236000558), (152, 136631902), (176, 118000279), (209, 99368656), (304, 68315951), (418, 49684328), (503, 41288368), (836, 24842164), (1006, 20644184), (1672, 12421082), (2012, 10322092), (3344, 6210541), (4024, 5161046), (5533, 3753488), (8048, 2580523), (9557, 2173072), (11066, 1876744), (12347, 1682032), (19114, 1086536), (22132, 938372), (24694, 841016), (38228, 543268), (44264, 469186), (49388, 420508), (76456, 271634), (88528, 234593), (98776, 210254), (105127, 197552), (135817, 152912)]