20347819904

素因数分解:

$2^7\times {\mathrm{419}}^1\times {\mathrm{379397}}^1$

素因数の和:379830

約数の個数: 32

約数和(自身を含む): 40633525800

約数和(自身を除く): 20285705896

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 419, 838, 1676, 3352, 6704, 13408, 26816, 53632, 379397, 758794, 1517588, 3035176, 6070352, 12140704, 24281408, 48562816, 158967343, 317934686, 635869372, 1271738744, 2543477488, 5086954976, 10173909952, 20347819904]

約数ペア:

[(1, 20347819904), (2, 10173909952), (4, 5086954976), (8, 2543477488), (16, 1271738744), (32, 635869372), (64, 317934686), (128, 158967343), (419, 48562816), (838, 24281408), (1676, 12140704), (3352, 6070352), (6704, 3035176), (13408, 1517588), (26816, 758794), (53632, 379397)]