20189696

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{839}}^1$

素因数の和:904

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 21057664

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 512, 752, 839, 1504, 1678, 3008, 3356, 6016, 6712, 12032, 13424, 24064, 26848, 39433, 53696, 78866, 107392, 157732, 214784, 315464, 429568, 630928, 1261856, 2523712, 5047424, 10094848, 20189696]

約数ペア:

[(1, 20189696), (2, 10094848), (4, 5047424), (8, 2523712), (16, 1261856), (32, 630928), (47, 429568), (64, 315464), (94, 214784), (128, 157732), (188, 107392), (256, 78866), (376, 53696), (512, 39433), (752, 26848), (839, 24064), (1504, 13424), (1678, 12032), (3008, 6712), (3356, 6016)]