20150168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{647}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 40240800

約数和(自身を除く): 20090632

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 229, 458, 647, 916, 1294, 1832, 2588, 3893, 5176, 7786, 10999, 15572, 21998, 31144, 43996, 87992, 148163, 296326, 592652, 1185304, 2518771, 5037542, 10075084, 20150168]

約数ペア:

[(1, 20150168), (2, 10075084), (4, 5037542), (8, 2518771), (17, 1185304), (34, 592652), (68, 296326), (136, 148163), (229, 87992), (458, 43996), (647, 31144), (916, 21998), (1294, 15572), (1832, 10999), (2588, 7786), (3893, 5176)]