20672016

素因数分解:

$2^4\times 3^1\times {\mathrm{241}}^1\times {\mathrm{1787}}^1$

素因数の和:2039

約数の個数: 40

約数和(自身を含む): 53654304

約数和(自身を除く): 32982288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 241, 482, 723, 964, 1446, 1787, 1928, 2892, 3574, 3856, 5361, 5784, 7148, 10722, 11568, 14296, 21444, 28592, 42888, 85776, 430667, 861334, 1292001, 1722668, 2584002, 3445336, 5168004, 6890672, 10336008, 20672016]

約数ペア:

[(1, 20672016), (2, 10336008), (3, 6890672), (4, 5168004), (6, 3445336), (8, 2584002), (12, 1722668), (16, 1292001), (24, 861334), (48, 430667), (241, 85776), (482, 42888), (723, 28592), (964, 21444), (1446, 14296), (1787, 11568), (1928, 10722), (2892, 7148), (3574, 5784), (3856, 5361)]