20217241304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{194396551}}^1$

素因数の和:194396570

約数の個数: 16

約数和(自身を含む): 40823275920

約数和(自身を除く): 20606034616

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 194396551, 388793102, 777586204, 1555172408, 2527155163, 5054310326, 10108620652, 20217241304]

約数ペア:

[(1, 20217241304), (2, 10108620652), (4, 5054310326), (8, 2527155163), (13, 1555172408), (26, 777586204), (52, 388793102), (104, 194396551)]