16843940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{463}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 37884672

約数和(自身を除く): 21040732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 463, 535, 926, 1070, 1819, 1852, 2140, 2315, 3638, 4630, 7276, 7871, 9095, 9260, 15742, 18190, 31484, 36380, 39355, 49541, 78710, 99082, 157420, 198164, 247705, 495410, 842197, 990820, 1684394, 3368788, 4210985, 8421970, 16843940]

約数ペア:

[(1, 16843940), (2, 8421970), (4, 4210985), (5, 3368788), (10, 1684394), (17, 990820), (20, 842197), (34, 495410), (68, 247705), (85, 198164), (107, 157420), (170, 99082), (214, 78710), (340, 49541), (428, 39355), (463, 36380), (535, 31484), (926, 18190), (1070, 15742), (1819, 9260), (1852, 9095), (2140, 7871), (2315, 7276), (3638, 4630)]