20123004464

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{857}}^1\times {\mathrm{34129}}^1$

素因数の和:35037

約数の個数: 40

約数和(自身を含む): 39942748560

約数和(自身を除く): 19819744096

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 857, 1714, 3428, 6856, 13712, 34129, 36851, 68258, 73702, 136516, 147404, 273032, 294808, 546064, 589616, 1467547, 2935094, 5870188, 11740376, 23480752, 29248553, 58497106, 116994212, 233988424, 467976848, 1257687779, 2515375558, 5030751116, 10061502232, 20123004464]

約数ペア:

[(1, 20123004464), (2, 10061502232), (4, 5030751116), (8, 2515375558), (16, 1257687779), (43, 467976848), (86, 233988424), (172, 116994212), (344, 58497106), (688, 29248553), (857, 23480752), (1714, 11740376), (3428, 5870188), (6856, 2935094), (13712, 1467547), (34129, 589616), (36851, 546064), (68258, 294808), (73702, 273032), (136516, 147404)]