20436816

素因数分解:

$2^4\times 3^1\times {\mathrm{541}}^1\times {\mathrm{787}}^1$

素因数の和:1339

約数の個数: 40

約数和(自身を含む): 52959904

約数和(自身を除く): 32523088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 541, 787, 1082, 1574, 1623, 2164, 2361, 3148, 3246, 4328, 4722, 6296, 6492, 8656, 9444, 12592, 12984, 18888, 25968, 37776, 425767, 851534, 1277301, 1703068, 2554602, 3406136, 5109204, 6812272, 10218408, 20436816]

約数ペア:

[(1, 20436816), (2, 10218408), (3, 6812272), (4, 5109204), (6, 3406136), (8, 2554602), (12, 1703068), (16, 1277301), (24, 851534), (48, 425767), (541, 37776), (787, 25968), (1082, 18888), (1574, 12984), (1623, 12592), (2164, 9444), (2361, 8656), (3148, 6492), (3246, 6296), (4328, 4722)]