20186303420

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1\times {\mathrm{7039}}^1$

素因数の和:7914

約数の個数: 48

約数和(自身を含む): 42653614080

約数和(自身を除く): 22467310660

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 643, 892, 1115, 1286, 2230, 2572, 3215, 4460, 6430, 7039, 12860, 14078, 28156, 35195, 70390, 140780, 143389, 286778, 573556, 716945, 1433890, 1569697, 2867780, 3139394, 4526077, 6278788, 7848485, 9052154, 15696970, 18104308, 22630385, 31393940, 45260770, 90521540, 1009315171, 2018630342, 4037260684, 5046575855, 10093151710, 20186303420]

約数ペア:

[(1, 20186303420), (2, 10093151710), (4, 5046575855), (5, 4037260684), (10, 2018630342), (20, 1009315171), (223, 90521540), (446, 45260770), (643, 31393940), (892, 22630385), (1115, 18104308), (1286, 15696970), (2230, 9052154), (2572, 7848485), (3215, 6278788), (4460, 4526077), (6430, 3139394), (7039, 2867780), (12860, 1569697), (14078, 1433890), (28156, 716945), (35195, 573556), (70390, 286778), (140780, 143389)]