20122337540

素因数分解:

$2^2\times 5^1\times {\mathrm{131639}}^1\times {\mathrm{7643}}^1$

素因数の和:139291

約数の個数: 24

約数和(自身を含む): 42262758720

約数和(自身を除く): 22140421180

約数列:

[1, 2, 4, 5, 10, 20, 7643, 15286, 30572, 38215, 76430, 131639, 152860, 263278, 526556, 658195, 1316390, 2632780, 1006116877, 2012233754, 4024467508, 5030584385, 10061168770, 20122337540]

約数ペア:

[(1, 20122337540), (2, 10061168770), (4, 5030584385), (5, 4024467508), (10, 2012233754), (20, 1006116877), (7643, 2632780), (15286, 1316390), (30572, 658195), (38215, 526556), (76430, 263278), (131639, 152860)]