20512136159991

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1861}}^1\times {\mathrm{1335527}}^1$

素因数の和:1337532

約数の個数: 48

約数和(自身を含む): 34138147051008

約数和(自身を除く): 13626010891017

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 1861, 2751, 5583, 8253, 13027, 16749, 39081, 117243, 243791, 731373, 1335527, 1706537, 2194119, 4006581, 5119611, 9348689, 12019743, 15358833, 28046067, 84138201, 174954037, 524862111, 1224678259, 1574586333, 2485415747, 3674034777, 7456247241, 11022104331, 17397910229, 22368741723, 52193730687, 156581192061, 325589462857, 976768388571, 2279126239999, 2930305165713, 6837378719997, 20512136159991]

約数ペア:

[(1, 20512136159991), (3, 6837378719997), (7, 2930305165713), (9, 2279126239999), (21, 976768388571), (63, 325589462857), (131, 156581192061), (393, 52193730687), (917, 22368741723), (1179, 17397910229), (1861, 11022104331), (2751, 7456247241), (5583, 3674034777), (8253, 2485415747), (13027, 1574586333), (16749, 1224678259), (39081, 524862111), (117243, 174954037), (243791, 84138201), (731373, 28046067), (1335527, 15358833), (1706537, 12019743), (2194119, 9348689), (4006581, 5119611)]