20306728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6733}}^1$

素因数の和:6781

約数の個数: 32

約数和(自身を含む): 42424200

約数和(自身を除く): 22117472

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 6733, 13466, 26932, 53864, 87529, 175058, 195257, 350116, 390514, 700232, 781028, 1562056, 2538341, 5076682, 10153364, 20306728]

約数ペア:

[(1, 20306728), (2, 10153364), (4, 5076682), (8, 2538341), (13, 1562056), (26, 781028), (29, 700232), (52, 390514), (58, 350116), (104, 195257), (116, 175058), (232, 87529), (377, 53864), (754, 26932), (1508, 13466), (3016, 6733)]