20153867132

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{15073}}^1$

素因数の和:15207

約数の個数: 72

約数和(自身を含む): 43502116896

約数和(自身を除く): 23348249764

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 68, 106, 119, 212, 238, 371, 476, 742, 901, 1484, 1802, 2809, 3604, 5618, 6307, 11236, 12614, 15073, 19663, 25228, 30146, 39326, 47753, 60292, 78652, 95506, 105511, 191012, 211022, 256241, 334271, 422044, 512482, 668542, 798869, 1024964, 1337084, 1597738, 1793687, 3195476, 3587374, 5592083, 7174748, 11184166, 13580773, 22368332, 27161546, 42340057, 54323092, 84680114, 95065411, 169360228, 190130822, 296380399, 380261644, 592760798, 719780969, 1185521596, 1439561938, 2879123876, 5038466783, 10076933566, 20153867132]

約数ペア:

[(1, 20153867132), (2, 10076933566), (4, 5038466783), (7, 2879123876), (14, 1439561938), (17, 1185521596), (28, 719780969), (34, 592760798), (53, 380261644), (68, 296380399), (106, 190130822), (119, 169360228), (212, 95065411), (238, 84680114), (371, 54323092), (476, 42340057), (742, 27161546), (901, 22368332), (1484, 13580773), (1802, 11184166), (2809, 7174748), (3604, 5592083), (5618, 3587374), (6307, 3195476), (11236, 1793687), (12614, 1597738), (15073, 1337084), (19663, 1024964), (25228, 798869), (30146, 668542), (39326, 512482), (47753, 422044), (60292, 334271), (78652, 256241), (95506, 211022), (105511, 191012)]