20224256

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 44640960

約数和(自身を除く): 24416704

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 103, 104, 118, 128, 206, 208, 236, 256, 412, 416, 472, 767, 824, 832, 944, 1339, 1534, 1648, 1664, 1888, 2678, 3068, 3296, 3328, 3776, 5356, 6077, 6136, 6592, 7552, 10712, 12154, 12272, 13184, 15104, 21424, 24308, 24544, 26368, 42848, 48616, 49088, 79001, 85696, 97232, 98176, 158002, 171392, 194464, 196352, 316004, 342784, 388928, 632008, 777856, 1264016, 1555712, 2528032, 5056064, 10112128, 20224256]

約数ペア:

[(1, 20224256), (2, 10112128), (4, 5056064), (8, 2528032), (13, 1555712), (16, 1264016), (26, 777856), (32, 632008), (52, 388928), (59, 342784), (64, 316004), (103, 196352), (104, 194464), (118, 171392), (128, 158002), (206, 98176), (208, 97232), (236, 85696), (256, 79001), (412, 49088), (416, 48616), (472, 42848), (767, 26368), (824, 24544), (832, 24308), (944, 21424), (1339, 15104), (1534, 13184), (1648, 12272), (1664, 12154), (1888, 10712), (2678, 7552), (3068, 6592), (3296, 6136), (3328, 6077), (3776, 5356)]