20002725

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4679}}^1$

素因数の和:4714

約数の個数: 36

約数和(自身を含む): 37720800

約数和(自身を除く): 17718075

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 4679, 14037, 23395, 42111, 70185, 88901, 116975, 210555, 266703, 350925, 444505, 800109, 1052775, 1333515, 2222525, 4000545, 6667575, 20002725]

約数ペア:

[(1, 20002725), (3, 6667575), (5, 4000545), (9, 2222525), (15, 1333515), (19, 1052775), (25, 800109), (45, 444505), (57, 350925), (75, 266703), (95, 210555), (171, 116975), (225, 88901), (285, 70185), (475, 42111), (855, 23395), (1425, 14037), (4275, 4679)]