20329552

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2411}}^1$

素因数の和:2467

約数の個数: 40

約数和(自身を含む): 43068672

約数和(自身を除く): 22739120

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2411, 4216, 4822, 8432, 9644, 19288, 38576, 40987, 74741, 81974, 149482, 163948, 298964, 327896, 597928, 655792, 1195856, 1270597, 2541194, 5082388, 10164776, 20329552]

約数ペア:

[(1, 20329552), (2, 10164776), (4, 5082388), (8, 2541194), (16, 1270597), (17, 1195856), (31, 655792), (34, 597928), (62, 327896), (68, 298964), (124, 163948), (136, 149482), (248, 81974), (272, 74741), (496, 40987), (527, 38576), (1054, 19288), (2108, 9644), (2411, 8432), (4216, 4822)]