20593408

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 45916416

約数和(自身を除く): 25323008

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 103, 128, 142, 176, 206, 256, 284, 352, 412, 568, 704, 781, 824, 1133, 1136, 1408, 1562, 1648, 2266, 2272, 2816, 3124, 3296, 4532, 4544, 6248, 6592, 7313, 9064, 9088, 12496, 13184, 14626, 18128, 18176, 24992, 26368, 29252, 36256, 49984, 58504, 72512, 80443, 99968, 117008, 145024, 160886, 199936, 234016, 290048, 321772, 468032, 643544, 936064, 1287088, 1872128, 2574176, 5148352, 10296704, 20593408]

約数ペア:

[(1, 20593408), (2, 10296704), (4, 5148352), (8, 2574176), (11, 1872128), (16, 1287088), (22, 936064), (32, 643544), (44, 468032), (64, 321772), (71, 290048), (88, 234016), (103, 199936), (128, 160886), (142, 145024), (176, 117008), (206, 99968), (256, 80443), (284, 72512), (352, 58504), (412, 49984), (568, 36256), (704, 29252), (781, 26368), (824, 24992), (1133, 18176), (1136, 18128), (1408, 14626), (1562, 13184), (1648, 12496), (2266, 9088), (2272, 9064), (2816, 7313), (3124, 6592), (3296, 6248), (4532, 4544)]