20231275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 26810784

約数和(自身を除く): 6579509

約数列:

[1, 5, 17, 25, 85, 181, 263, 425, 905, 1315, 3077, 4471, 4525, 6575, 15385, 22355, 47603, 76925, 111775, 238015, 809251, 1190075, 4046255, 20231275]

約数ペア:

[(1, 20231275), (5, 4046255), (17, 1190075), (25, 809251), (85, 238015), (181, 111775), (263, 76925), (425, 47603), (905, 22355), (1315, 15385), (3077, 6575), (4471, 4525)]