20041926496

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{641}}^1\times {\mathrm{20789}}^1$

素因数の和:21487

約数の個数: 48

約数和(自身を含む): 40361872320

約数和(自身を除く): 20319945824

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 641, 752, 1282, 1504, 2564, 5128, 10256, 20512, 20789, 30127, 41578, 60254, 83156, 120508, 166312, 241016, 332624, 482032, 665248, 964064, 977083, 1954166, 3908332, 7816664, 13325749, 15633328, 26651498, 31266656, 53302996, 106605992, 213211984, 426423968, 626310203, 1252620406, 2505240812, 5010481624, 10020963248, 20041926496]

約数ペア:

[(1, 20041926496), (2, 10020963248), (4, 5010481624), (8, 2505240812), (16, 1252620406), (32, 626310203), (47, 426423968), (94, 213211984), (188, 106605992), (376, 53302996), (641, 31266656), (752, 26651498), (1282, 15633328), (1504, 13325749), (2564, 7816664), (5128, 3908332), (10256, 1954166), (20512, 977083), (20789, 964064), (30127, 665248), (41578, 482032), (60254, 332624), (83156, 241016), (120508, 166312)]