20391613996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{461}}^1\times {\mathrm{2221}}^1$

素因数の和:3082

約数の個数: 48

約数和(自身を含む): 38631656448

約数和(自身を除く): 18240042452

約数列:

[1, 2, 4, 13, 26, 52, 383, 461, 766, 922, 1532, 1844, 2221, 4442, 4979, 5993, 8884, 9958, 11986, 19916, 23972, 28873, 57746, 115492, 176563, 353126, 706252, 850643, 1023881, 1701286, 2047762, 2295319, 3402572, 4095524, 4590638, 9181276, 11058359, 13310453, 22116718, 26620906, 44233436, 53241812, 392146423, 784292846, 1568585692, 5097903499, 10195806998, 20391613996]

約数ペア:

[(1, 20391613996), (2, 10195806998), (4, 5097903499), (13, 1568585692), (26, 784292846), (52, 392146423), (383, 53241812), (461, 44233436), (766, 26620906), (922, 22116718), (1532, 13310453), (1844, 11058359), (2221, 9181276), (4442, 4590638), (4979, 4095524), (5993, 3402572), (8884, 2295319), (9958, 2047762), (11986, 1701286), (19916, 1023881), (23972, 850643), (28873, 706252), (57746, 353126), (115492, 176563)]