20277873

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1009}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 37814400

約数和(自身を除く): 17536527

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 693, 957, 1009, 1827, 2233, 2871, 3027, 6699, 7063, 9081, 11099, 20097, 21189, 29261, 33297, 63567, 77693, 87783, 99891, 204827, 233079, 263349, 321871, 614481, 699237, 965613, 1843443, 2253097, 2896839, 6759291, 20277873]

約数ペア:

[(1, 20277873), (3, 6759291), (7, 2896839), (9, 2253097), (11, 1843443), (21, 965613), (29, 699237), (33, 614481), (63, 321871), (77, 263349), (87, 233079), (99, 204827), (203, 99891), (231, 87783), (261, 77693), (319, 63567), (609, 33297), (693, 29261), (957, 21189), (1009, 20097), (1827, 11099), (2233, 9081), (2871, 7063), (3027, 6699)]