20500896

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16427}}^1$

素因数の和:16453

約数の個数: 48

約数和(自身を含む): 57957984

約数和(自身を除く): 37457088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16427, 32854, 49281, 65708, 98562, 131416, 197124, 213551, 262832, 394248, 427102, 525664, 640653, 788496, 854204, 1281306, 1576992, 1708408, 2562612, 3416816, 5125224, 6833632, 10250448, 20500896]

約数ペア:

[(1, 20500896), (2, 10250448), (3, 6833632), (4, 5125224), (6, 3416816), (8, 2562612), (12, 1708408), (13, 1576992), (16, 1281306), (24, 854204), (26, 788496), (32, 640653), (39, 525664), (48, 427102), (52, 394248), (78, 262832), (96, 213551), (104, 197124), (156, 131416), (208, 98562), (312, 65708), (416, 49281), (624, 32854), (1248, 16427)]