20004530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 47433600

約数和(自身を除く): 27429070

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 89, 91, 95, 130, 133, 169, 178, 182, 190, 247, 266, 338, 445, 455, 494, 623, 665, 845, 890, 910, 1157, 1183, 1235, 1246, 1330, 1690, 1691, 1729, 2314, 2366, 2470, 3115, 3211, 3382, 3458, 5785, 5915, 6230, 6422, 8099, 8455, 8645, 11570, 11830, 11837, 15041, 16055, 16198, 16910, 17290, 21983, 22477, 23674, 30082, 32110, 40495, 43966, 44954, 59185, 75205, 80990, 105287, 109915, 112385, 118370, 150410, 153881, 210574, 219830, 224770, 285779, 307762, 526435, 571558, 769405, 1052870, 1428895, 1538810, 2000453, 2857790, 4000906, 10002265, 20004530]

約数ペア:

[(1, 20004530), (2, 10002265), (5, 4000906), (7, 2857790), (10, 2000453), (13, 1538810), (14, 1428895), (19, 1052870), (26, 769405), (35, 571558), (38, 526435), (65, 307762), (70, 285779), (89, 224770), (91, 219830), (95, 210574), (130, 153881), (133, 150410), (169, 118370), (178, 112385), (182, 109915), (190, 105287), (247, 80990), (266, 75205), (338, 59185), (445, 44954), (455, 43966), (494, 40495), (623, 32110), (665, 30082), (845, 23674), (890, 22477), (910, 21983), (1157, 17290), (1183, 16910), (1235, 16198), (1246, 16055), (1330, 15041), (1690, 11837), (1691, 11830), (1729, 11570), (2314, 8645), (2366, 8455), (2470, 8099), (3115, 6422), (3211, 6230), (3382, 5915), (3458, 5785)]