20707836

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1223}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 51819264

約数和(自身を除く): 31111428

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 83, 102, 166, 204, 249, 332, 498, 996, 1223, 1411, 2446, 2822, 3669, 4233, 4892, 5644, 7338, 8466, 14676, 16932, 20791, 41582, 62373, 83164, 101509, 124746, 203018, 249492, 304527, 406036, 609054, 1218108, 1725653, 3451306, 5176959, 6902612, 10353918, 20707836]

約数ペア:

[(1, 20707836), (2, 10353918), (3, 6902612), (4, 5176959), (6, 3451306), (12, 1725653), (17, 1218108), (34, 609054), (51, 406036), (68, 304527), (83, 249492), (102, 203018), (166, 124746), (204, 101509), (249, 83164), (332, 62373), (498, 41582), (996, 20791), (1223, 16932), (1411, 14676), (2446, 8466), (2822, 7338), (3669, 5644), (4233, 4892)]