20681046522

素因数分解:

$2^1\times 3^4\times {\mathrm{127}}^1\times {\mathrm{1005203}}^1$

素因数の和:1005344

約数の個数: 40

約数和(自身を含む): 46705798656

約数和(自身を除く): 26024752134

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 127, 162, 254, 381, 762, 1143, 2286, 3429, 6858, 10287, 20574, 1005203, 2010406, 3015609, 6031218, 9046827, 18093654, 27140481, 54280962, 81421443, 127660781, 162842886, 255321562, 382982343, 765964686, 1148947029, 2297894058, 3446841087, 6893682174, 10340523261, 20681046522]

約数ペア:

[(1, 20681046522), (2, 10340523261), (3, 6893682174), (6, 3446841087), (9, 2297894058), (18, 1148947029), (27, 765964686), (54, 382982343), (81, 255321562), (127, 162842886), (162, 127660781), (254, 81421443), (381, 54280962), (762, 27140481), (1143, 18093654), (2286, 9046827), (3429, 6031218), (6858, 3015609), (10287, 2010406), (20574, 1005203)]