20767744

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{1193}}^1$

素因数の和:1230

約数の個数: 44

約数和(自身を含む): 43994124

約数和(自身を除く): 23226380

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 1193, 2176, 2386, 4352, 4772, 8704, 9544, 17408, 19088, 20281, 38176, 40562, 76352, 81124, 152704, 162248, 305408, 324496, 610816, 648992, 1221632, 1297984, 2595968, 5191936, 10383872, 20767744]

約数ペア:

[(1, 20767744), (2, 10383872), (4, 5191936), (8, 2595968), (16, 1297984), (17, 1221632), (32, 648992), (34, 610816), (64, 324496), (68, 305408), (128, 162248), (136, 152704), (256, 81124), (272, 76352), (512, 40562), (544, 38176), (1024, 20281), (1088, 19088), (1193, 17408), (2176, 9544), (2386, 8704), (4352, 4772)]