20805170

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 17686030

約数列:

[1, 2, 5, 10, 59, 118, 179, 197, 295, 358, 394, 590, 895, 985, 1790, 1970, 10561, 11623, 21122, 23246, 35263, 52805, 58115, 70526, 105610, 116230, 176315, 352630, 2080517, 4161034, 10402585, 20805170]

約数ペア:

[(1, 20805170), (2, 10402585), (5, 4161034), (10, 2080517), (59, 352630), (118, 176315), (179, 116230), (197, 105610), (295, 70526), (358, 58115), (394, 52805), (590, 35263), (895, 23246), (985, 21122), (1790, 11623), (1970, 10561)]