20145128895

素因数分解:

$3^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{61637}}^1$

素因数の和:61926

約数の個数: 48

約数和(自身を含む): 36346695840

約数和(自身を除く): 16201566945

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 269, 405, 807, 1215, 1345, 2421, 4035, 7263, 12105, 21789, 36315, 61637, 65367, 108945, 184911, 308185, 326835, 554733, 924555, 1664199, 2773665, 4992597, 8320995, 14977791, 16580353, 24962985, 49741059, 74888955, 82901765, 149223177, 248705295, 447669531, 746115885, 1343008593, 2238347655, 4029025779, 6715042965, 20145128895]

約数ペア:

[(1, 20145128895), (3, 6715042965), (5, 4029025779), (9, 2238347655), (15, 1343008593), (27, 746115885), (45, 447669531), (81, 248705295), (135, 149223177), (243, 82901765), (269, 74888955), (405, 49741059), (807, 24962985), (1215, 16580353), (1345, 14977791), (2421, 8320995), (4035, 4992597), (7263, 2773665), (12105, 1664199), (21789, 924555), (36315, 554733), (61637, 326835), (65367, 308185), (108945, 184911)]