20450612

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:3000

約数の個数: 48

約数和(自身を含む): 46381440

約数和(自身を除く): 25930828

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 2957, 3458, 5914, 6916, 11828, 20699, 38441, 41398, 56183, 76882, 82796, 112366, 153764, 224732, 269087, 393281, 538174, 730379, 786562, 1076348, 1460758, 1573124, 2921516, 5112653, 10225306, 20450612]

約数ペア:

[(1, 20450612), (2, 10225306), (4, 5112653), (7, 2921516), (13, 1573124), (14, 1460758), (19, 1076348), (26, 786562), (28, 730379), (38, 538174), (52, 393281), (76, 269087), (91, 224732), (133, 153764), (182, 112366), (247, 82796), (266, 76882), (364, 56183), (494, 41398), (532, 38441), (988, 20699), (1729, 11828), (2957, 6916), (3458, 5914)]