20897168

素因数分解:

$2^4\times {\mathrm{29}}^2\times {\mathrm{1553}}^1$

素因数の和:1619

約数の個数: 30

約数和(自身を含む): 41959554

約数和(自身を除く): 21062386

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 841, 1553, 1682, 3106, 3364, 6212, 6728, 12424, 13456, 24848, 45037, 90074, 180148, 360296, 720592, 1306073, 2612146, 5224292, 10448584, 20897168]

約数ペア:

[(1, 20897168), (2, 10448584), (4, 5224292), (8, 2612146), (16, 1306073), (29, 720592), (58, 360296), (116, 180148), (232, 90074), (464, 45037), (841, 24848), (1553, 13456), (1682, 12424), (3106, 6728), (3364, 6212)]