20670960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2003}}^1$

素因数の和:2062

約数の個数: 80

約数和(自身を含む): 65602944

約数和(自身を除く): 44931984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2003, 2064, 2580, 3440, 4006, 5160, 6009, 8012, 10015, 10320, 12018, 16024, 20030, 24036, 30045, 32048, 40060, 48072, 60090, 80120, 86129, 96144, 120180, 160240, 172258, 240360, 258387, 344516, 430645, 480720, 516774, 689032, 861290, 1033548, 1291935, 1378064, 1722580, 2067096, 2583870, 3445160, 4134192, 5167740, 6890320, 10335480, 20670960]

約数ペア:

[(1, 20670960), (2, 10335480), (3, 6890320), (4, 5167740), (5, 4134192), (6, 3445160), (8, 2583870), (10, 2067096), (12, 1722580), (15, 1378064), (16, 1291935), (20, 1033548), (24, 861290), (30, 689032), (40, 516774), (43, 480720), (48, 430645), (60, 344516), (80, 258387), (86, 240360), (120, 172258), (129, 160240), (172, 120180), (215, 96144), (240, 86129), (258, 80120), (344, 60090), (430, 48072), (516, 40060), (645, 32048), (688, 30045), (860, 24036), (1032, 20030), (1290, 16024), (1720, 12018), (2003, 10320), (2064, 10015), (2580, 8012), (3440, 6009), (4006, 5160)]