20786172

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 57335040

約数和(自身を除く): 36548868

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 59, 66, 68, 102, 118, 132, 157, 177, 187, 204, 236, 314, 354, 374, 471, 561, 628, 649, 708, 748, 942, 1003, 1122, 1298, 1727, 1884, 1947, 2006, 2244, 2596, 2669, 3009, 3454, 3894, 4012, 5181, 5338, 6018, 6908, 7788, 8007, 9263, 10362, 10676, 11033, 12036, 16014, 18526, 20724, 22066, 27789, 29359, 32028, 33099, 37052, 44132, 55578, 58718, 66198, 88077, 101893, 111156, 117436, 132396, 157471, 176154, 203786, 305679, 314942, 352308, 407572, 472413, 611358, 629884, 944826, 1222716, 1732181, 1889652, 3464362, 5196543, 6928724, 10393086, 20786172]

約数ペア:

[(1, 20786172), (2, 10393086), (3, 6928724), (4, 5196543), (6, 3464362), (11, 1889652), (12, 1732181), (17, 1222716), (22, 944826), (33, 629884), (34, 611358), (44, 472413), (51, 407572), (59, 352308), (66, 314942), (68, 305679), (102, 203786), (118, 176154), (132, 157471), (157, 132396), (177, 117436), (187, 111156), (204, 101893), (236, 88077), (314, 66198), (354, 58718), (374, 55578), (471, 44132), (561, 37052), (628, 33099), (649, 32028), (708, 29359), (748, 27789), (942, 22066), (1003, 20724), (1122, 18526), (1298, 16014), (1727, 12036), (1884, 11033), (1947, 10676), (2006, 10362), (2244, 9263), (2596, 8007), (2669, 7788), (3009, 6908), (3454, 6018), (3894, 5338), (4012, 5181)]