20156288

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 43513200

約数和(自身を除く): 23356912

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 59, 64, 68, 118, 128, 136, 157, 236, 272, 314, 472, 544, 628, 944, 1003, 1088, 1256, 1888, 2006, 2176, 2512, 2669, 3776, 4012, 5024, 5338, 7552, 8024, 9263, 10048, 10676, 16048, 18526, 20096, 21352, 32096, 37052, 42704, 64192, 74104, 85408, 128384, 148208, 157471, 170816, 296416, 314942, 341632, 592832, 629884, 1185664, 1259768, 2519536, 5039072, 10078144, 20156288]

約数ペア:

[(1, 20156288), (2, 10078144), (4, 5039072), (8, 2519536), (16, 1259768), (17, 1185664), (32, 629884), (34, 592832), (59, 341632), (64, 314942), (68, 296416), (118, 170816), (128, 157471), (136, 148208), (157, 128384), (236, 85408), (272, 74104), (314, 64192), (472, 42704), (544, 37052), (628, 32096), (944, 21352), (1003, 20096), (1088, 18526), (1256, 16048), (1888, 10676), (2006, 10048), (2176, 9263), (2512, 8024), (2669, 7552), (3776, 5338), (4012, 5024)]