20870883

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12401}}^1$

素因数の和:12435

約数の個数: 24

約数和(自身を含む): 34824816

約数和(自身を除く): 13953933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12401, 37203, 111609, 136411, 210817, 409233, 632451, 1227699, 1897353, 2318987, 6956961, 20870883]

約数ペア:

[(1, 20870883), (3, 6956961), (9, 2318987), (11, 1897353), (17, 1227699), (33, 632451), (51, 409233), (99, 210817), (153, 136411), (187, 111609), (561, 37203), (1683, 12401)]