20175212092

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{254519}}^1$

素因数の和:254698

約数の個数: 48

約数和(自身を含む): 42759360000

約数和(自身を除く): 22584147908

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 149, 266, 298, 532, 596, 1043, 2086, 2831, 4172, 5662, 11324, 19817, 39634, 79268, 254519, 509038, 1018076, 1781633, 3563266, 4835861, 7126532, 9671722, 19343444, 33851027, 37923331, 67702054, 75846662, 135404108, 151693324, 265463317, 530926634, 720543289, 1061853268, 1441086578, 2882173156, 5043803023, 10087606046, 20175212092]

約数ペア:

[(1, 20175212092), (2, 10087606046), (4, 5043803023), (7, 2882173156), (14, 1441086578), (19, 1061853268), (28, 720543289), (38, 530926634), (76, 265463317), (133, 151693324), (149, 135404108), (266, 75846662), (298, 67702054), (532, 37923331), (596, 33851027), (1043, 19343444), (2086, 9671722), (2831, 7126532), (4172, 4835861), (5662, 3563266), (11324, 1781633), (19817, 1018076), (39634, 509038), (79268, 254519)]