20866584

素因数分解:

$2^3\times 3^1\times {\mathrm{89}}^1\times {\mathrm{9769}}^1$

素因数の和:9867

約数の個数: 32

約数和(自身を含む): 52758000

約数和(自身を除く): 31891416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 89, 178, 267, 356, 534, 712, 1068, 2136, 9769, 19538, 29307, 39076, 58614, 78152, 117228, 234456, 869441, 1738882, 2608323, 3477764, 5216646, 6955528, 10433292, 20866584]

約数ペア:

[(1, 20866584), (2, 10433292), (3, 6955528), (4, 5216646), (6, 3477764), (8, 2608323), (12, 1738882), (24, 869441), (89, 234456), (178, 117228), (267, 78152), (356, 58614), (534, 39076), (712, 29307), (1068, 19538), (2136, 9769)]