20705536

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2834

約数の個数: 36

約数和(自身を含む): 42770700

約数和(自身を除く): 22065164

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2789, 3712, 5578, 7424, 11156, 22312, 44624, 80881, 89248, 161762, 178496, 323524, 356992, 647048, 713984, 1294096, 2588192, 5176384, 10352768, 20705536]

約数ペア:

[(1, 20705536), (2, 10352768), (4, 5176384), (8, 2588192), (16, 1294096), (29, 713984), (32, 647048), (58, 356992), (64, 323524), (116, 178496), (128, 161762), (232, 89248), (256, 80881), (464, 44624), (928, 22312), (1856, 11156), (2789, 7424), (3712, 5578)]