20565764325

素因数分解:

$3^6\times 5^2\times {\mathrm{619}}^1\times {\mathrm{1823}}^1$

素因数の和:2470

約数の個数: 84

約数和(自身を含む): 38317607040

約数和(自身を除く): 17751842715

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 619, 675, 729, 1215, 1823, 1857, 2025, 3095, 3645, 5469, 5571, 6075, 9115, 9285, 15475, 16407, 16713, 18225, 27345, 27855, 45575, 46425, 49221, 50139, 82035, 83565, 136725, 139275, 147663, 150417, 246105, 250695, 410175, 417825, 442989, 451251, 738315, 752085, 1128437, 1230525, 1253475, 1328967, 2214945, 2256255, 3385311, 3691575, 3760425, 5642185, 6644835, 10155933, 11074725, 11281275, 16926555, 28210925, 30467799, 33224175, 50779665, 84632775, 91403397, 152338995, 253898325, 274210191, 457016985, 761694975, 822630573, 1371050955, 2285084925, 4113152865, 6855254775, 20565764325]

約数ペア:

[(1, 20565764325), (3, 6855254775), (5, 4113152865), (9, 2285084925), (15, 1371050955), (25, 822630573), (27, 761694975), (45, 457016985), (75, 274210191), (81, 253898325), (135, 152338995), (225, 91403397), (243, 84632775), (405, 50779665), (619, 33224175), (675, 30467799), (729, 28210925), (1215, 16926555), (1823, 11281275), (1857, 11074725), (2025, 10155933), (3095, 6644835), (3645, 5642185), (5469, 3760425), (5571, 3691575), (6075, 3385311), (9115, 2256255), (9285, 2214945), (15475, 1328967), (16407, 1253475), (16713, 1230525), (18225, 1128437), (27345, 752085), (27855, 738315), (45575, 451251), (46425, 442989), (49221, 417825), (50139, 410175), (82035, 250695), (83565, 246105), (136725, 150417), (139275, 147663)]