20199359068

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4447}}^1\times {\mathrm{5233}}^1$

素因数の和:9722

約数の個数: 48

約数和(自身を含む): 41719250944

約数和(自身を除く): 21519891876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 4447, 5233, 8894, 10466, 17788, 20932, 31129, 36631, 62258, 73262, 124516, 137857, 146524, 162223, 275714, 324446, 551428, 648892, 964999, 1135561, 1929998, 2271122, 3859996, 4542244, 23271151, 46542302, 93084604, 162898057, 325796114, 651592228, 721405681, 1442811362, 2885622724, 5049839767, 10099679534, 20199359068]

約数ペア:

[(1, 20199359068), (2, 10099679534), (4, 5049839767), (7, 2885622724), (14, 1442811362), (28, 721405681), (31, 651592228), (62, 325796114), (124, 162898057), (217, 93084604), (434, 46542302), (868, 23271151), (4447, 4542244), (5233, 3859996), (8894, 2271122), (10466, 1929998), (17788, 1135561), (20932, 964999), (31129, 648892), (36631, 551428), (62258, 324446), (73262, 275714), (124516, 162223), (137857, 146524)]