20659740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3343}}^1$

素因数の和:3458

約数の個数: 48

約数和(自身を含む): 58426368

約数和(自身を除く): 37766628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 3343, 6180, 6686, 10029, 13372, 16715, 20058, 33430, 40116, 50145, 66860, 100290, 200580, 344329, 688658, 1032987, 1377316, 1721645, 2065974, 3443290, 4131948, 5164935, 6886580, 10329870, 20659740]

約数ペア:

[(1, 20659740), (2, 10329870), (3, 6886580), (4, 5164935), (5, 4131948), (6, 3443290), (10, 2065974), (12, 1721645), (15, 1377316), (20, 1032987), (30, 688658), (60, 344329), (103, 200580), (206, 100290), (309, 66860), (412, 50145), (515, 40116), (618, 33430), (1030, 20058), (1236, 16715), (1545, 13372), (2060, 10029), (3090, 6686), (3343, 6180)]