20577752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 44815680

約数和(自身を除く): 24237928

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 103, 104, 113, 136, 206, 221, 226, 412, 442, 452, 824, 884, 904, 1339, 1469, 1751, 1768, 1921, 2678, 2938, 3502, 3842, 5356, 5876, 7004, 7684, 10712, 11639, 11752, 14008, 15368, 22763, 23278, 24973, 45526, 46556, 49946, 91052, 93112, 99892, 151307, 182104, 197863, 199784, 302614, 395726, 605228, 791452, 1210456, 1582904, 2572219, 5144438, 10288876, 20577752]

約数ペア:

[(1, 20577752), (2, 10288876), (4, 5144438), (8, 2572219), (13, 1582904), (17, 1210456), (26, 791452), (34, 605228), (52, 395726), (68, 302614), (103, 199784), (104, 197863), (113, 182104), (136, 151307), (206, 99892), (221, 93112), (226, 91052), (412, 49946), (442, 46556), (452, 45526), (824, 24973), (884, 23278), (904, 22763), (1339, 15368), (1469, 14008), (1751, 11752), (1768, 11639), (1921, 10712), (2678, 7684), (2938, 7004), (3502, 5876), (3842, 5356)]