20117040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:894

約数の個数: 80

約数和(自身を含む): 63016800

約数和(自身を除く): 42899760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 769, 872, 1090, 1308, 1538, 1635, 1744, 2180, 2307, 2616, 3076, 3270, 3845, 4360, 4614, 5232, 6152, 6540, 7690, 8720, 9228, 11535, 12304, 13080, 15380, 18456, 23070, 26160, 30760, 36912, 46140, 61520, 83821, 92280, 167642, 184560, 251463, 335284, 419105, 502926, 670568, 838210, 1005852, 1257315, 1341136, 1676420, 2011704, 2514630, 3352840, 4023408, 5029260, 6705680, 10058520, 20117040]

約数ペア:

[(1, 20117040), (2, 10058520), (3, 6705680), (4, 5029260), (5, 4023408), (6, 3352840), (8, 2514630), (10, 2011704), (12, 1676420), (15, 1341136), (16, 1257315), (20, 1005852), (24, 838210), (30, 670568), (40, 502926), (48, 419105), (60, 335284), (80, 251463), (109, 184560), (120, 167642), (218, 92280), (240, 83821), (327, 61520), (436, 46140), (545, 36912), (654, 30760), (769, 26160), (872, 23070), (1090, 18456), (1308, 15380), (1538, 13080), (1635, 12304), (1744, 11535), (2180, 9228), (2307, 8720), (2616, 7690), (3076, 6540), (3270, 6152), (3845, 5232), (4360, 4614)]