20648448

素因数分解:

$2^9\times 3^2\times {\mathrm{4481}}^1$

素因数の和:4505

約数の個数: 60

約数和(自身を含む): 59606118

約数和(自身を除く): 38957670

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4481, 4608, 8962, 13443, 17924, 26886, 35848, 40329, 53772, 71696, 80658, 107544, 143392, 161316, 215088, 286784, 322632, 430176, 573568, 645264, 860352, 1147136, 1290528, 1720704, 2294272, 2581056, 3441408, 5162112, 6882816, 10324224, 20648448]

約数ペア:

[(1, 20648448), (2, 10324224), (3, 6882816), (4, 5162112), (6, 3441408), (8, 2581056), (9, 2294272), (12, 1720704), (16, 1290528), (18, 1147136), (24, 860352), (32, 645264), (36, 573568), (48, 430176), (64, 322632), (72, 286784), (96, 215088), (128, 161316), (144, 143392), (192, 107544), (256, 80658), (288, 71696), (384, 53772), (512, 40329), (576, 35848), (768, 26886), (1152, 17924), (1536, 13443), (2304, 8962), (4481, 4608)]