20840405520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7894093}}^1$

素因数の和:7894120

約数の個数: 80

約数和(自身を含む): 70478471232

約数和(自身を除く): 49638065712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7894093, 15788186, 23682279, 31576372, 39470465, 47364558, 63152744, 78940930, 86835023, 94729116, 118411395, 126305488, 157881860, 173670046, 189458232, 236822790, 260505069, 315763720, 347340092, 378916464, 434175115, 473645580, 521010138, 631527440, 694680184, 868350230, 947291160, 1042020276, 1302525345, 1389360368, 1736700460, 1894582320, 2084040552, 2605050690, 3473400920, 4168081104, 5210101380, 6946801840, 10420202760, 20840405520]

約数ペア:

[(1, 20840405520), (2, 10420202760), (3, 6946801840), (4, 5210101380), (5, 4168081104), (6, 3473400920), (8, 2605050690), (10, 2084040552), (11, 1894582320), (12, 1736700460), (15, 1389360368), (16, 1302525345), (20, 1042020276), (22, 947291160), (24, 868350230), (30, 694680184), (33, 631527440), (40, 521010138), (44, 473645580), (48, 434175115), (55, 378916464), (60, 347340092), (66, 315763720), (80, 260505069), (88, 236822790), (110, 189458232), (120, 173670046), (132, 157881860), (165, 126305488), (176, 118411395), (220, 94729116), (240, 86835023), (264, 78940930), (330, 63152744), (440, 47364558), (528, 39470465), (660, 31576372), (880, 23682279), (1320, 15788186), (2640, 7894093)]