20695995

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15859}}^1$

素因数の和:15899

約数の個数: 24

約数和(自身を含む): 37112400

約数和(自身を除く): 16416405

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15859, 47577, 79295, 142731, 237885, 459911, 713655, 1379733, 2299555, 4139199, 6898665, 20695995]

約数ペア:

[(1, 20695995), (3, 6898665), (5, 4139199), (9, 2299555), (15, 1379733), (29, 713655), (45, 459911), (87, 237885), (145, 142731), (261, 79295), (435, 47577), (1305, 15859)]