20219260

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 43868160

約数和(自身を除く): 23648900

約数列:

[1, 2, 4, 5, 10, 20, 67, 79, 134, 158, 191, 268, 316, 335, 382, 395, 670, 764, 790, 955, 1340, 1580, 1910, 3820, 5293, 10586, 12797, 15089, 21172, 25594, 26465, 30178, 51188, 52930, 60356, 63985, 75445, 105860, 127970, 150890, 255940, 301780, 1010963, 2021926, 4043852, 5054815, 10109630, 20219260]

約数ペア:

[(1, 20219260), (2, 10109630), (4, 5054815), (5, 4043852), (10, 2021926), (20, 1010963), (67, 301780), (79, 255940), (134, 150890), (158, 127970), (191, 105860), (268, 75445), (316, 63985), (335, 60356), (382, 52930), (395, 51188), (670, 30178), (764, 26465), (790, 25594), (955, 21172), (1340, 15089), (1580, 12797), (1910, 10586), (3820, 5293)]