20278488

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{12611}}^1$

素因数の和:12687

約数の個数: 32

約数和(自身を含む): 51456960

約数和(自身を除く): 31178472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 12611, 25222, 37833, 50444, 75666, 100888, 151332, 302664, 844937, 1689874, 2534811, 3379748, 5069622, 6759496, 10139244, 20278488]

約数ペア:

[(1, 20278488), (2, 10139244), (3, 6759496), (4, 5069622), (6, 3379748), (8, 2534811), (12, 1689874), (24, 844937), (67, 302664), (134, 151332), (201, 100888), (268, 75666), (402, 50444), (536, 37833), (804, 25222), (1608, 12611)]