20655476

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3413}}^1$

素因数の和:3523

約数の個数: 24

約数和(自身を含む): 38714760

約数和(自身を除く): 18059284

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 3413, 6052, 6826, 13652, 58021, 116042, 232084, 303757, 607514, 1215028, 5163869, 10327738, 20655476]

約数ペア:

[(1, 20655476), (2, 10327738), (4, 5163869), (17, 1215028), (34, 607514), (68, 303757), (89, 232084), (178, 116042), (356, 58021), (1513, 13652), (3026, 6826), (3413, 6052)]