20320248

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65129}}^1$

素因数の和:65151

約数の個数: 32

約数和(自身を含む): 54709200

約数和(自身を除く): 34388952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65129, 130258, 195387, 260516, 390774, 521032, 781548, 846677, 1563096, 1693354, 2540031, 3386708, 5080062, 6773416, 10160124, 20320248]

約数ペア:

[(1, 20320248), (2, 10160124), (3, 6773416), (4, 5080062), (6, 3386708), (8, 2540031), (12, 1693354), (13, 1563096), (24, 846677), (26, 781548), (39, 521032), (52, 390774), (78, 260516), (104, 195387), (156, 130258), (312, 65129)]