20181359240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1553}}^1\times {\mathrm{46411}}^1$

素因数の和:47982

約数の個数: 64

約数和(自身を含む): 51929458560

約数和(自身を除く): 31748099320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1553, 3106, 6212, 7765, 10871, 12424, 15530, 21742, 31060, 43484, 46411, 54355, 62120, 86968, 92822, 108710, 185644, 217420, 232055, 324877, 371288, 434840, 464110, 649754, 928220, 1299508, 1624385, 1856440, 2599016, 3248770, 6497540, 12995080, 72076283, 144152566, 288305132, 360381415, 504533981, 576610264, 720762830, 1009067962, 1441525660, 2018135924, 2522669905, 2883051320, 4036271848, 5045339810, 10090679620, 20181359240]

約数ペア:

[(1, 20181359240), (2, 10090679620), (4, 5045339810), (5, 4036271848), (7, 2883051320), (8, 2522669905), (10, 2018135924), (14, 1441525660), (20, 1009067962), (28, 720762830), (35, 576610264), (40, 504533981), (56, 360381415), (70, 288305132), (140, 144152566), (280, 72076283), (1553, 12995080), (3106, 6497540), (6212, 3248770), (7765, 2599016), (10871, 1856440), (12424, 1624385), (15530, 1299508), (21742, 928220), (31060, 649754), (43484, 464110), (46411, 434840), (54355, 371288), (62120, 324877), (86968, 232055), (92822, 217420), (108710, 185644)]