20043894

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{821}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 43362144

約数和(自身を除く): 23318250

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 313, 626, 821, 939, 1642, 1878, 2463, 4069, 4926, 8138, 10673, 12207, 21346, 24414, 32019, 64038, 256973, 513946, 770919, 1541838, 3340649, 6681298, 10021947, 20043894]

約数ペア:

[(1, 20043894), (2, 10021947), (3, 6681298), (6, 3340649), (13, 1541838), (26, 770919), (39, 513946), (78, 256973), (313, 64038), (626, 32019), (821, 24414), (939, 21346), (1642, 12207), (1878, 10673), (2463, 8138), (4069, 4926)]