20149256

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 19249144

約数列:

[1, 2, 4, 8, 31, 62, 113, 124, 226, 248, 452, 719, 904, 1438, 2876, 3503, 5752, 7006, 14012, 22289, 28024, 44578, 81247, 89156, 162494, 178312, 324988, 649976, 2518657, 5037314, 10074628, 20149256]

約数ペア:

[(1, 20149256), (2, 10074628), (4, 5037314), (8, 2518657), (31, 649976), (62, 324988), (113, 178312), (124, 162494), (226, 89156), (248, 81247), (452, 44578), (719, 28024), (904, 22289), (1438, 14012), (2876, 7006), (3503, 5752)]