20205087188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{237071}}^1$

素因数の和:237248

約数の個数: 48

約数和(自身を含む): 41819500800

約数和(自身を除く): 21614413612

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 149, 286, 298, 572, 596, 1639, 1937, 3278, 3874, 6556, 7748, 21307, 42614, 85228, 237071, 474142, 948284, 2607781, 3081923, 5215562, 6163846, 10431124, 12327692, 33901153, 35323579, 67802306, 70647158, 135604612, 141294316, 388559369, 459206527, 777118738, 918413054, 1554237476, 1836826108, 5051271797, 10102543594, 20205087188]

約数ペア:

[(1, 20205087188), (2, 10102543594), (4, 5051271797), (11, 1836826108), (13, 1554237476), (22, 918413054), (26, 777118738), (44, 459206527), (52, 388559369), (143, 141294316), (149, 135604612), (286, 70647158), (298, 67802306), (572, 35323579), (596, 33901153), (1639, 12327692), (1937, 10431124), (3278, 6163846), (3874, 5215562), (6556, 3081923), (7748, 2607781), (21307, 948284), (42614, 474142), (85228, 237071)]