20534715

素因数分解:

$3^5\times 5^1\times {\mathrm{16901}}^1$

素因数の和:16921

約数の個数: 24

約数和(自身を含む): 36913968

約数和(自身を除く): 16379253

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16901, 50703, 84505, 152109, 253515, 456327, 760545, 1368981, 2281635, 4106943, 6844905, 20534715]

約数ペア:

[(1, 20534715), (3, 6844905), (5, 4106943), (9, 2281635), (15, 1368981), (27, 760545), (45, 456327), (81, 253515), (135, 152109), (243, 84505), (405, 50703), (1215, 16901)]