20147873420

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1\times {\mathrm{74561}}^1$

素因数の和:74858

約数の個数: 48

約数和(自身を含む): 43216135200

約数和(自身を除く): 23068261780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 229, 236, 295, 458, 590, 916, 1145, 1180, 2290, 4580, 13511, 27022, 54044, 67555, 74561, 135110, 149122, 270220, 298244, 372805, 745610, 1491220, 4399099, 8798198, 17074469, 17596396, 21995495, 34148938, 43990990, 68297876, 85372345, 87981980, 170744690, 341489380, 1007393671, 2014787342, 4029574684, 5036968355, 10073936710, 20147873420]

約数ペア:

[(1, 20147873420), (2, 10073936710), (4, 5036968355), (5, 4029574684), (10, 2014787342), (20, 1007393671), (59, 341489380), (118, 170744690), (229, 87981980), (236, 85372345), (295, 68297876), (458, 43990990), (590, 34148938), (916, 21995495), (1145, 17596396), (1180, 17074469), (2290, 8798198), (4580, 4399099), (13511, 1491220), (27022, 745610), (54044, 372805), (67555, 298244), (74561, 270220), (135110, 149122)]