20256112

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74471}}^1$

素因数の和:74496

約数の個数: 20

約数和(自身を含む): 41555376

約数和(自身を除く): 21299264

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74471, 148942, 297884, 595768, 1191536, 1266007, 2532014, 5064028, 10128056, 20256112]

約数ペア:

[(1, 20256112), (2, 10128056), (4, 5064028), (8, 2532014), (16, 1266007), (17, 1191536), (34, 595768), (68, 297884), (136, 148942), (272, 74471)]