20971392

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4201}}^1$

素因数の和:4231

約数の個数: 64

約数和(自身を含む): 60004560

約数和(自身を除く): 39033168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4201, 4992, 8402, 12603, 16804, 25206, 33608, 50412, 54613, 67216, 100824, 109226, 134432, 163839, 201648, 218452, 268864, 327678, 403296, 436904, 537728, 655356, 806592, 873808, 1310712, 1613184, 1747616, 2621424, 3495232, 5242848, 6990464, 10485696, 20971392]

約数ペア:

[(1, 20971392), (2, 10485696), (3, 6990464), (4, 5242848), (6, 3495232), (8, 2621424), (12, 1747616), (13, 1613184), (16, 1310712), (24, 873808), (26, 806592), (32, 655356), (39, 537728), (48, 436904), (52, 403296), (64, 327678), (78, 268864), (96, 218452), (104, 201648), (128, 163839), (156, 134432), (192, 109226), (208, 100824), (312, 67216), (384, 54613), (416, 50412), (624, 33608), (832, 25206), (1248, 16804), (1664, 12603), (2496, 8402), (4201, 4992)]