20303660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6007}}^1$

素因数の和:6042

約数の個数: 36

約数和(自身を含む): 46177488

約数和(自身を除く): 25873828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 6007, 12014, 24028, 30035, 60070, 78091, 120140, 156182, 312364, 390455, 780910, 1015183, 1561820, 2030366, 4060732, 5075915, 10151830, 20303660]

約数ペア:

[(1, 20303660), (2, 10151830), (4, 5075915), (5, 4060732), (10, 2030366), (13, 1561820), (20, 1015183), (26, 780910), (52, 390455), (65, 312364), (130, 156182), (169, 120140), (260, 78091), (338, 60070), (676, 30035), (845, 24028), (1690, 12014), (3380, 6007)]