20011256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{761}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 39776400

約数和(自身を除く): 19765144

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 173, 346, 692, 761, 1384, 1522, 3044, 3287, 6088, 6574, 13148, 14459, 26296, 28918, 57836, 115672, 131653, 263306, 526612, 1053224, 2501407, 5002814, 10005628, 20011256]

約数ペア:

[(1, 20011256), (2, 10005628), (4, 5002814), (8, 2501407), (19, 1053224), (38, 526612), (76, 263306), (152, 131653), (173, 115672), (346, 57836), (692, 28918), (761, 26296), (1384, 14459), (1522, 13148), (3044, 6574), (3287, 6088)]