20180643896

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1\times {\mathrm{9769}}^1$

素因数の和:10816

約数の個数: 64

約数和(自身を含む): 44462097600

約数和(自身を除く): 24281453704

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 997, 1036, 1994, 2072, 3988, 6979, 7976, 9769, 13958, 19538, 27916, 36889, 39076, 55832, 68383, 73778, 78152, 136766, 147556, 258223, 273532, 295112, 361453, 516446, 547064, 722906, 1032892, 1445812, 2065784, 2530171, 2891624, 5060342, 9739693, 10120684, 19479386, 20241368, 38958772, 68177851, 77917544, 136355702, 272711404, 360368641, 545422808, 720737282, 1441474564, 2522580487, 2882949128, 5045160974, 10090321948, 20180643896]

約数ペア:

[(1, 20180643896), (2, 10090321948), (4, 5045160974), (7, 2882949128), (8, 2522580487), (14, 1441474564), (28, 720737282), (37, 545422808), (56, 360368641), (74, 272711404), (148, 136355702), (259, 77917544), (296, 68177851), (518, 38958772), (997, 20241368), (1036, 19479386), (1994, 10120684), (2072, 9739693), (3988, 5060342), (6979, 2891624), (7976, 2530171), (9769, 2065784), (13958, 1445812), (19538, 1032892), (27916, 722906), (36889, 547064), (39076, 516446), (55832, 361453), (68383, 295112), (73778, 273532), (78152, 258223), (136766, 147556)]