20304535

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1297}}^1$

素因数の和:1434

約数の個数: 16

約数和(自身を含む): 25420032

約数和(自身を除く): 5115497

約数列:

[1, 5, 31, 101, 155, 505, 1297, 3131, 6485, 15655, 40207, 130997, 201035, 654985, 4060907, 20304535]

約数ペア:

[(1, 20304535), (5, 4060907), (31, 654985), (101, 201035), (155, 130997), (505, 40207), (1297, 15655), (3131, 6485)]