20327996

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{30071}}^1$

素因数の和:30101

約数の個数: 18

約数和(自身を含む): 38522232

約数和(自身を除く): 18194236

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 30071, 60142, 120284, 390923, 781846, 1563692, 5081999, 10163998, 20327996]

約数ペア:

[(1, 20327996), (2, 10163998), (4, 5081999), (13, 1563692), (26, 781846), (52, 390923), (169, 120284), (338, 60142), (676, 30071)]