16964980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 38673936

約数和(自身を除く): 21708956

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1217, 1394, 2434, 2788, 3485, 4868, 6085, 6970, 12170, 13940, 20689, 24340, 41378, 49897, 82756, 99794, 103445, 199588, 206890, 249485, 413780, 498970, 848249, 997940, 1696498, 3392996, 4241245, 8482490, 16964980]

約数ペア:

[(1, 16964980), (2, 8482490), (4, 4241245), (5, 3392996), (10, 1696498), (17, 997940), (20, 848249), (34, 498970), (41, 413780), (68, 249485), (82, 206890), (85, 199588), (164, 103445), (170, 99794), (205, 82756), (340, 49897), (410, 41378), (697, 24340), (820, 20689), (1217, 13940), (1394, 12170), (2434, 6970), (2788, 6085), (3485, 4868)]