16969900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4139}}^1$

素因数の和:4194

約数の個数: 36

約数和(自身を含む): 37731960

約数和(自身を除く): 20762060

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 4139, 8278, 16556, 20695, 41390, 82780, 103475, 169699, 206950, 339398, 413900, 678796, 848495, 1696990, 3393980, 4242475, 8484950, 16969900]

約数ペア:

[(1, 16969900), (2, 8484950), (4, 4242475), (5, 3393980), (10, 1696990), (20, 848495), (25, 678796), (41, 413900), (50, 339398), (82, 206950), (100, 169699), (164, 103475), (205, 82780), (410, 41390), (820, 20695), (1025, 16556), (2050, 8278), (4100, 4139)]