20843568

素因数分解:

$2^4\times 3^6\times {\mathrm{1787}}^1$

素因数の和:1813

約数の個数: 70

約数和(自身を含む): 60582804

約数和(自身を除く): 39739236

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 729, 972, 1296, 1458, 1787, 1944, 2916, 3574, 3888, 5361, 5832, 7148, 10722, 11664, 14296, 16083, 21444, 28592, 32166, 42888, 48249, 64332, 85776, 96498, 128664, 144747, 192996, 257328, 289494, 385992, 434241, 578988, 771984, 868482, 1157976, 1302723, 1736964, 2315952, 2605446, 3473928, 5210892, 6947856, 10421784, 20843568]

約数ペア:

[(1, 20843568), (2, 10421784), (3, 6947856), (4, 5210892), (6, 3473928), (8, 2605446), (9, 2315952), (12, 1736964), (16, 1302723), (18, 1157976), (24, 868482), (27, 771984), (36, 578988), (48, 434241), (54, 385992), (72, 289494), (81, 257328), (108, 192996), (144, 144747), (162, 128664), (216, 96498), (243, 85776), (324, 64332), (432, 48249), (486, 42888), (648, 32166), (729, 28592), (972, 21444), (1296, 16083), (1458, 14296), (1787, 11664), (1944, 10722), (2916, 7148), (3574, 5832), (3888, 5361)]