20469156

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5281}}^1$

素因数の和:5324

約数の個数: 48

約数和(自身を含む): 53242560

約数和(自身を除く): 32773404

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5281, 10562, 15843, 21124, 31686, 63372, 89777, 100339, 179554, 200678, 269331, 301017, 359108, 401356, 538662, 602034, 1077324, 1204068, 1705763, 3411526, 5117289, 6823052, 10234578, 20469156]

約数ペア:

[(1, 20469156), (2, 10234578), (3, 6823052), (4, 5117289), (6, 3411526), (12, 1705763), (17, 1204068), (19, 1077324), (34, 602034), (38, 538662), (51, 401356), (57, 359108), (68, 301017), (76, 269331), (102, 200678), (114, 179554), (204, 100339), (228, 89777), (323, 63372), (646, 31686), (969, 21124), (1292, 15843), (1938, 10562), (3876, 5281)]