20187020416

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{1996343}}^1$

素因数の和:1996436

約数の個数: 32

約数和(自身を含む): 40725417600

約数和(自身を除く): 20538397184

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 2528, 5056, 10112, 1996343, 3992686, 7985372, 15970744, 31941488, 63882976, 127765952, 157711097, 255531904, 315422194, 630844388, 1261688776, 2523377552, 5046755104, 10093510208, 20187020416]

約数ペア:

[(1, 20187020416), (2, 10093510208), (4, 5046755104), (8, 2523377552), (16, 1261688776), (32, 630844388), (64, 315422194), (79, 255531904), (128, 157711097), (158, 127765952), (316, 63882976), (632, 31941488), (1264, 15970744), (2528, 7985372), (5056, 3992686), (10112, 1996343)]