20012655255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{46411}}^1$

素因数の和:46544

約数の個数: 64

約数和(自身を含む): 36089971200

約数和(自身を除く): 16077315945

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 89, 95, 255, 267, 285, 323, 445, 969, 1335, 1513, 1615, 1691, 4539, 4845, 5073, 7565, 8455, 22695, 25365, 28747, 46411, 86241, 139233, 143735, 232055, 431205, 696165, 788987, 881809, 2366961, 2645427, 3944935, 4130579, 4409045, 11834805, 12391737, 13227135, 14990753, 20652895, 44972259, 61958685, 70219843, 74953765, 78481001, 210659529, 224861295, 235443003, 351099215, 392405005, 1053297645, 1177215015, 1334177017, 4002531051, 6670885085, 20012655255]

約数ペア:

[(1, 20012655255), (3, 6670885085), (5, 4002531051), (15, 1334177017), (17, 1177215015), (19, 1053297645), (51, 392405005), (57, 351099215), (85, 235443003), (89, 224861295), (95, 210659529), (255, 78481001), (267, 74953765), (285, 70219843), (323, 61958685), (445, 44972259), (969, 20652895), (1335, 14990753), (1513, 13227135), (1615, 12391737), (1691, 11834805), (4539, 4409045), (4845, 4130579), (5073, 3944935), (7565, 2645427), (8455, 2366961), (22695, 881809), (25365, 788987), (28747, 696165), (46411, 431205), (86241, 232055), (139233, 143735)]