20840160

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3947}}^1$

素因数の和:3976

約数の個数: 96

約数和(自身を含む): 71632512

約数和(自身を除く): 50792352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 3947, 5280, 7894, 11841, 15788, 19735, 23682, 31576, 39470, 43417, 47364, 59205, 63152, 78940, 86834, 94728, 118410, 126304, 130251, 157880, 173668, 189456, 217085, 236820, 260502, 315760, 347336, 378912, 434170, 473640, 521004, 631520, 651255, 694672, 868340, 947280, 1042008, 1302510, 1389344, 1736680, 1894560, 2084016, 2605020, 3473360, 4168032, 5210040, 6946720, 10420080, 20840160]

約数ペア:

[(1, 20840160), (2, 10420080), (3, 6946720), (4, 5210040), (5, 4168032), (6, 3473360), (8, 2605020), (10, 2084016), (11, 1894560), (12, 1736680), (15, 1389344), (16, 1302510), (20, 1042008), (22, 947280), (24, 868340), (30, 694672), (32, 651255), (33, 631520), (40, 521004), (44, 473640), (48, 434170), (55, 378912), (60, 347336), (66, 315760), (80, 260502), (88, 236820), (96, 217085), (110, 189456), (120, 173668), (132, 157880), (160, 130251), (165, 126304), (176, 118410), (220, 94728), (240, 86834), (264, 78940), (330, 63152), (352, 59205), (440, 47364), (480, 43417), (528, 39470), (660, 31576), (880, 23682), (1056, 19735), (1320, 15788), (1760, 11841), (2640, 7894), (3947, 5280)]