20956504

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{853}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 40889520

約数和(自身を除く): 19933016

約数列:

[1, 2, 4, 8, 37, 74, 83, 148, 166, 296, 332, 664, 853, 1706, 3071, 3412, 6142, 6824, 12284, 24568, 31561, 63122, 70799, 126244, 141598, 252488, 283196, 566392, 2619563, 5239126, 10478252, 20956504]

約数ペア:

[(1, 20956504), (2, 10478252), (4, 5239126), (8, 2619563), (37, 566392), (74, 283196), (83, 252488), (148, 141598), (166, 126244), (296, 70799), (332, 63122), (664, 31561), (853, 24568), (1706, 12284), (3071, 6824), (3412, 6142)]