20187712812

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{109661}}^1$

素因数の和:109743

約数の個数: 72

約数和(自身を含む): 50940192240

約数和(自身を除く): 30752479428

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 87, 92, 116, 138, 174, 276, 348, 529, 667, 1058, 1334, 1587, 2001, 2116, 2668, 3174, 4002, 6348, 8004, 15341, 30682, 46023, 61364, 92046, 109661, 184092, 219322, 328983, 438644, 657966, 1315932, 2522203, 3180169, 5044406, 6360338, 7566609, 9540507, 10088812, 12720676, 15133218, 19081014, 30266436, 38162028, 58010669, 73143887, 116021338, 146287774, 174032007, 219431661, 232042676, 292575548, 348064014, 438863322, 696128028, 877726644, 1682309401, 3364618802, 5046928203, 6729237604, 10093856406, 20187712812]

約数ペア:

[(1, 20187712812), (2, 10093856406), (3, 6729237604), (4, 5046928203), (6, 3364618802), (12, 1682309401), (23, 877726644), (29, 696128028), (46, 438863322), (58, 348064014), (69, 292575548), (87, 232042676), (92, 219431661), (116, 174032007), (138, 146287774), (174, 116021338), (276, 73143887), (348, 58010669), (529, 38162028), (667, 30266436), (1058, 19081014), (1334, 15133218), (1587, 12720676), (2001, 10088812), (2116, 9540507), (2668, 7566609), (3174, 6360338), (4002, 5044406), (6348, 3180169), (8004, 2522203), (15341, 1315932), (30682, 657966), (46023, 438644), (61364, 328983), (92046, 219322), (109661, 184092)]