20471568

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:696

約数の個数: 80

約数和(自身を含む): 58121280

約数和(自身を除く): 37649712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 53, 78, 104, 106, 156, 159, 208, 212, 312, 318, 424, 619, 624, 636, 689, 848, 1238, 1272, 1378, 1857, 2067, 2476, 2544, 2756, 3714, 4134, 4952, 5512, 7428, 8047, 8268, 9904, 11024, 14856, 16094, 16536, 24141, 29712, 32188, 32807, 33072, 48282, 64376, 65614, 96564, 98421, 128752, 131228, 193128, 196842, 262456, 386256, 393684, 426491, 524912, 787368, 852982, 1279473, 1574736, 1705964, 2558946, 3411928, 5117892, 6823856, 10235784, 20471568]

約数ペア:

[(1, 20471568), (2, 10235784), (3, 6823856), (4, 5117892), (6, 3411928), (8, 2558946), (12, 1705964), (13, 1574736), (16, 1279473), (24, 852982), (26, 787368), (39, 524912), (48, 426491), (52, 393684), (53, 386256), (78, 262456), (104, 196842), (106, 193128), (156, 131228), (159, 128752), (208, 98421), (212, 96564), (312, 65614), (318, 64376), (424, 48282), (619, 33072), (624, 32807), (636, 32188), (689, 29712), (848, 24141), (1238, 16536), (1272, 16094), (1378, 14856), (1857, 11024), (2067, 9904), (2476, 8268), (2544, 8047), (2756, 7428), (3714, 5512), (4134, 4952)]