20939508718

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{757}}^1\times {\mathrm{1487}}^1$

素因数の和:2448

約数の個数: 32

約数和(自身を含む): 32158798848

約数和(自身を除く): 11219290130

約数列:

[1, 2, 71, 131, 142, 262, 757, 1487, 1514, 2974, 9301, 18602, 53747, 99167, 105577, 107494, 194797, 198334, 211154, 389594, 1125659, 2251318, 7040857, 13830587, 14081714, 27661174, 79921789, 147461329, 159843578, 294922658, 10469754359, 20939508718]

約数ペア:

[(1, 20939508718), (2, 10469754359), (71, 294922658), (131, 159843578), (142, 147461329), (262, 79921789), (757, 27661174), (1487, 14081714), (1514, 13830587), (2974, 7040857), (9301, 2251318), (18602, 1125659), (53747, 389594), (99167, 211154), (105577, 198334), (107494, 194797)]