17950420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{30949}}^1$

素因数の和:30987

約数の個数: 24

約数和(自身を含む): 38997000

約数和(自身を除く): 21046580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 30949, 61898, 123796, 154745, 309490, 618980, 897521, 1795042, 3590084, 4487605, 8975210, 17950420]

約数ペア:

[(1, 17950420), (2, 8975210), (4, 4487605), (5, 3590084), (10, 1795042), (20, 897521), (29, 618980), (58, 309490), (116, 154745), (145, 123796), (290, 61898), (580, 30949)]