20377552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{313}}^2$

素因数の和:647

約数の個数: 30

約数和(自身を含む): 42654822

約数和(自身を除く): 22277270

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 313, 626, 1252, 2504, 4069, 5008, 8138, 16276, 32552, 65104, 97969, 195938, 391876, 783752, 1273597, 1567504, 2547194, 5094388, 10188776, 20377552]

約数ペア:

[(1, 20377552), (2, 10188776), (4, 5094388), (8, 2547194), (13, 1567504), (16, 1273597), (26, 783752), (52, 391876), (104, 195938), (208, 97969), (313, 65104), (626, 32552), (1252, 16276), (2504, 8138), (4069, 5008)]