20764368

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{3517}}^1$

素因数の和:3572

約数の個数: 60

約数和(自身を含む): 59545668

約数和(自身を除く): 38781300

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 123, 144, 164, 246, 328, 369, 492, 656, 738, 984, 1476, 1968, 2952, 3517, 5904, 7034, 10551, 14068, 21102, 28136, 31653, 42204, 56272, 63306, 84408, 126612, 144197, 168816, 253224, 288394, 432591, 506448, 576788, 865182, 1153576, 1297773, 1730364, 2307152, 2595546, 3460728, 5191092, 6921456, 10382184, 20764368]

約数ペア:

[(1, 20764368), (2, 10382184), (3, 6921456), (4, 5191092), (6, 3460728), (8, 2595546), (9, 2307152), (12, 1730364), (16, 1297773), (18, 1153576), (24, 865182), (36, 576788), (41, 506448), (48, 432591), (72, 288394), (82, 253224), (123, 168816), (144, 144197), (164, 126612), (246, 84408), (328, 63306), (369, 56272), (492, 42204), (656, 31653), (738, 28136), (984, 21102), (1476, 14068), (1968, 10551), (2952, 7034), (3517, 5904)]