20431656

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13513}}^1$

素因数の和:13535

約数の個数: 64

約数和(自身を含む): 64867200

約数和(自身を除く): 44435544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13513, 27026, 40539, 54052, 81078, 94591, 108104, 121617, 162156, 189182, 243234, 283773, 324312, 364851, 378364, 486468, 567546, 729702, 756728, 851319, 972936, 1135092, 1459404, 1702638, 2270184, 2553957, 2918808, 3405276, 5107914, 6810552, 10215828, 20431656]

約数ペア:

[(1, 20431656), (2, 10215828), (3, 6810552), (4, 5107914), (6, 3405276), (7, 2918808), (8, 2553957), (9, 2270184), (12, 1702638), (14, 1459404), (18, 1135092), (21, 972936), (24, 851319), (27, 756728), (28, 729702), (36, 567546), (42, 486468), (54, 378364), (56, 364851), (63, 324312), (72, 283773), (84, 243234), (108, 189182), (126, 162156), (168, 121617), (189, 108104), (216, 94591), (252, 81078), (378, 54052), (504, 40539), (756, 27026), (1512, 13513)]