20065136

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13781}}^1$

素因数の和:13809

約数の個数: 40

約数和(自身を含む): 47851104

約数和(自身を除く): 27785968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13781, 27562, 55124, 96467, 110248, 179153, 192934, 220496, 358306, 385868, 716612, 771736, 1254071, 1433224, 1543472, 2508142, 2866448, 5016284, 10032568, 20065136]

約数ペア:

[(1, 20065136), (2, 10032568), (4, 5016284), (7, 2866448), (8, 2508142), (13, 1543472), (14, 1433224), (16, 1254071), (26, 771736), (28, 716612), (52, 385868), (56, 358306), (91, 220496), (104, 192934), (112, 179153), (182, 110248), (208, 96467), (364, 55124), (728, 27562), (1456, 13781)]