20120552

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 38681280

約数和(自身を除く): 18560728

約数列:

[1, 2, 4, 8, 73, 131, 146, 262, 263, 292, 524, 526, 584, 1048, 1052, 2104, 9563, 19126, 19199, 34453, 38252, 38398, 68906, 76504, 76796, 137812, 153592, 275624, 2515069, 5030138, 10060276, 20120552]

約数ペア:

[(1, 20120552), (2, 10060276), (4, 5030138), (8, 2515069), (73, 275624), (131, 153592), (146, 137812), (262, 76796), (263, 76504), (292, 68906), (524, 38398), (526, 38252), (584, 34453), (1048, 19199), (1052, 19126), (2104, 9563)]