20293678

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 32947200

約数和(自身を除く): 12653522

約数列:

[1, 2, 29, 43, 58, 79, 86, 103, 158, 206, 1247, 2291, 2494, 2987, 3397, 4429, 4582, 5974, 6794, 8137, 8858, 16274, 98513, 128441, 197026, 235973, 256882, 349891, 471946, 699782, 10146839, 20293678]

約数ペア:

[(1, 20293678), (2, 10146839), (29, 699782), (43, 471946), (58, 349891), (79, 256882), (86, 235973), (103, 197026), (158, 128441), (206, 98513), (1247, 16274), (2291, 8858), (2494, 8137), (2987, 6794), (3397, 5974), (4429, 4582)]