20253296

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2699}}^1$

素因数の和:2781

約数の個数: 40

約数和(自身を含む): 45532800

約数和(自身を除く): 25279504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2699, 3752, 5398, 7504, 10796, 18893, 21592, 37786, 43184, 75572, 151144, 180833, 302288, 361666, 723332, 1265831, 1446664, 2531662, 2893328, 5063324, 10126648, 20253296]

約数ペア:

[(1, 20253296), (2, 10126648), (4, 5063324), (7, 2893328), (8, 2531662), (14, 1446664), (16, 1265831), (28, 723332), (56, 361666), (67, 302288), (112, 180833), (134, 151144), (268, 75572), (469, 43184), (536, 37786), (938, 21592), (1072, 18893), (1876, 10796), (2699, 7504), (3752, 5398)]