20243970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5231}}^1$

素因数の和:5287

約数の個数: 48

約数和(自身を含む): 53868672

約数和(自身を除く): 33624702

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5231, 10462, 15693, 26155, 31386, 47079, 52310, 78465, 94158, 156930, 224933, 235395, 449866, 470790, 674799, 1124665, 1349598, 2024397, 2249330, 3373995, 4048794, 6747990, 10121985, 20243970]

約数ペア:

[(1, 20243970), (2, 10121985), (3, 6747990), (5, 4048794), (6, 3373995), (9, 2249330), (10, 2024397), (15, 1349598), (18, 1124665), (30, 674799), (43, 470790), (45, 449866), (86, 235395), (90, 224933), (129, 156930), (215, 94158), (258, 78465), (387, 52310), (430, 47079), (645, 31386), (774, 26155), (1290, 15693), (1935, 10462), (3870, 5231)]