20512221788

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{4561}}^1$

素因数の和:4902

約数の個数: 48

約数和(自身を含む): 37028622624

約数和(自身を除く): 16516400836

約数列:

[1, 2, 4, 67, 97, 134, 173, 194, 268, 346, 388, 692, 4561, 6499, 9122, 11591, 12998, 16781, 18244, 23182, 25996, 33562, 46364, 67124, 305587, 442417, 611174, 789053, 884834, 1124327, 1222348, 1578106, 1769668, 2248654, 3156212, 4497308, 29641939, 52866551, 59283878, 76538141, 105733102, 118567756, 153076282, 211466204, 306152564, 5128055447, 10256110894, 20512221788]

約数ペア:

[(1, 20512221788), (2, 10256110894), (4, 5128055447), (67, 306152564), (97, 211466204), (134, 153076282), (173, 118567756), (194, 105733102), (268, 76538141), (346, 59283878), (388, 52866551), (692, 29641939), (4561, 4497308), (6499, 3156212), (9122, 2248654), (11591, 1769668), (12998, 1578106), (16781, 1222348), (18244, 1124327), (23182, 884834), (25996, 789053), (33562, 611174), (46364, 442417), (67124, 305587)]