20955238655

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{1907623}}^1$

素因数の和:1907667

約数の個数: 16

約数和(自身を含む): 27240870720

約数和(自身を除く): 6285632065

約数列:

[1, 5, 13, 65, 169, 845, 2197, 10985, 1907623, 9538115, 24799099, 123995495, 322388287, 1611941435, 4191047731, 20955238655]

約数ペア:

[(1, 20955238655), (5, 4191047731), (13, 1611941435), (65, 322388287), (169, 123995495), (845, 24799099), (2197, 9538115), (10985, 1907623)]