20597040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28607}}^1$

素因数の和:28626

約数の個数: 60

約数和(自身を含む): 69174144

約数和(自身を除く): 48577104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28607, 57214, 85821, 114428, 143035, 171642, 228856, 257463, 286070, 343284, 429105, 457712, 514926, 572140, 686568, 858210, 1029852, 1144280, 1287315, 1373136, 1716420, 2059704, 2288560, 2574630, 3432840, 4119408, 5149260, 6865680, 10298520, 20597040]

約数ペア:

[(1, 20597040), (2, 10298520), (3, 6865680), (4, 5149260), (5, 4119408), (6, 3432840), (8, 2574630), (9, 2288560), (10, 2059704), (12, 1716420), (15, 1373136), (16, 1287315), (18, 1144280), (20, 1029852), (24, 858210), (30, 686568), (36, 572140), (40, 514926), (45, 457712), (48, 429105), (60, 343284), (72, 286070), (80, 257463), (90, 228856), (120, 171642), (144, 143035), (180, 114428), (240, 85821), (360, 57214), (720, 28607)]