20172384140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1\times {\mathrm{74707}}^1$

素因数の和:75326

約数の個数: 48

約数和(自身を含む): 44279730432

約数和(自身を除く): 24107346292

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 587, 1174, 2348, 2935, 5870, 11740, 13501, 27002, 54004, 67505, 74707, 135010, 149414, 270020, 298828, 373535, 747070, 1494140, 1718261, 3436522, 6873044, 8591305, 17182610, 34365220, 43853009, 87706018, 175412036, 219265045, 438530090, 877060180, 1008619207, 2017238414, 4034476828, 5043096035, 10086192070, 20172384140]

約数ペア:

[(1, 20172384140), (2, 10086192070), (4, 5043096035), (5, 4034476828), (10, 2017238414), (20, 1008619207), (23, 877060180), (46, 438530090), (92, 219265045), (115, 175412036), (230, 87706018), (460, 43853009), (587, 34365220), (1174, 17182610), (2348, 8591305), (2935, 6873044), (5870, 3436522), (11740, 1718261), (13501, 1494140), (27002, 747070), (54004, 373535), (67505, 298828), (74707, 270020), (135010, 149414)]