20131489105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{83639}}^1$

素因数の和:83710

約数の個数: 48

約数和(自身を含む): 31081962240

約数和(自身を除く): 10950473135

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 529, 805, 1495, 2093, 2645, 3703, 6877, 10465, 18515, 34385, 48139, 83639, 240695, 418195, 585473, 1087307, 1923697, 2927365, 5436535, 7611149, 9618485, 13465879, 25008061, 38055745, 44245031, 67329395, 125040305, 175056427, 221225155, 309715217, 575185403, 875282135, 1548576085, 2875927015, 4026297821, 20131489105]

約数ペア:

[(1, 20131489105), (5, 4026297821), (7, 2875927015), (13, 1548576085), (23, 875282135), (35, 575185403), (65, 309715217), (91, 221225155), (115, 175056427), (161, 125040305), (299, 67329395), (455, 44245031), (529, 38055745), (805, 25008061), (1495, 13465879), (2093, 9618485), (2645, 7611149), (3703, 5436535), (6877, 2927365), (10465, 1923697), (18515, 1087307), (34385, 585473), (48139, 418195), (83639, 240695)]