20782008

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2498

約数の個数: 80

約数和(自身を含む): 62711880

約数和(自身を除く): 41929872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2467, 2808, 4212, 4934, 7401, 8424, 9868, 14802, 19736, 22203, 29604, 32071, 44406, 59208, 64142, 66609, 88812, 96213, 128284, 133218, 177624, 192426, 199827, 256568, 266436, 288639, 384852, 399654, 532872, 577278, 769704, 799308, 865917, 1154556, 1598616, 1731834, 2309112, 2597751, 3463668, 5195502, 6927336, 10391004, 20782008]

約数ペア:

[(1, 20782008), (2, 10391004), (3, 6927336), (4, 5195502), (6, 3463668), (8, 2597751), (9, 2309112), (12, 1731834), (13, 1598616), (18, 1154556), (24, 865917), (26, 799308), (27, 769704), (36, 577278), (39, 532872), (52, 399654), (54, 384852), (72, 288639), (78, 266436), (81, 256568), (104, 199827), (108, 192426), (117, 177624), (156, 133218), (162, 128284), (216, 96213), (234, 88812), (312, 66609), (324, 64142), (351, 59208), (468, 44406), (648, 32071), (702, 29604), (936, 22203), (1053, 19736), (1404, 14802), (2106, 9868), (2467, 8424), (2808, 7401), (4212, 4934)]