20199498056

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1\times {\mathrm{2749}}^1$

素因数の和:3426

約数の個数: 64

約数和(自身を含む): 40602870000

約数和(自身を除く): 20403371944

約数列:

[1, 2, 4, 8, 17, 34, 68, 97, 136, 194, 388, 557, 776, 1114, 1649, 2228, 2749, 3298, 4456, 5498, 6596, 9469, 10996, 13192, 18938, 21992, 37876, 46733, 54029, 75752, 93466, 108058, 186932, 216116, 266653, 373864, 432232, 533306, 918493, 1066612, 1531193, 1836986, 2133224, 3062386, 3673972, 4533101, 6124772, 7347944, 9066202, 12249544, 18132404, 26030281, 36264808, 52060562, 104121124, 148525721, 208242248, 297051442, 594102884, 1188205768, 2524937257, 5049874514, 10099749028, 20199498056]

約数ペア:

[(1, 20199498056), (2, 10099749028), (4, 5049874514), (8, 2524937257), (17, 1188205768), (34, 594102884), (68, 297051442), (97, 208242248), (136, 148525721), (194, 104121124), (388, 52060562), (557, 36264808), (776, 26030281), (1114, 18132404), (1649, 12249544), (2228, 9066202), (2749, 7347944), (3298, 6124772), (4456, 4533101), (5498, 3673972), (6596, 3062386), (9469, 2133224), (10996, 1836986), (13192, 1531193), (18938, 1066612), (21992, 918493), (37876, 533306), (46733, 432232), (54029, 373864), (75752, 266653), (93466, 216116), (108058, 186932)]