20161971368

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1128637}}^1$

素因数の和:1128690

約数の個数: 64

約数和(自身を含む): 48757161600

約数和(自身を除く): 28595190232

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 29, 44, 56, 58, 77, 88, 116, 154, 203, 232, 308, 319, 406, 616, 638, 812, 1276, 1624, 2233, 2552, 4466, 8932, 17864, 1128637, 2257274, 4514548, 7900459, 9029096, 12415007, 15800918, 24830014, 31601836, 32730473, 49660028, 63203672, 65460946, 86905049, 99320056, 130921892, 173810098, 229113311, 261843784, 347620196, 360035203, 458226622, 695240392, 720070406, 916453244, 1440140812, 1832906488, 2520246421, 2880281624, 5040492842, 10080985684, 20161971368]

約数ペア:

[(1, 20161971368), (2, 10080985684), (4, 5040492842), (7, 2880281624), (8, 2520246421), (11, 1832906488), (14, 1440140812), (22, 916453244), (28, 720070406), (29, 695240392), (44, 458226622), (56, 360035203), (58, 347620196), (77, 261843784), (88, 229113311), (116, 173810098), (154, 130921892), (203, 99320056), (232, 86905049), (308, 65460946), (319, 63203672), (406, 49660028), (616, 32730473), (638, 31601836), (812, 24830014), (1276, 15800918), (1624, 12415007), (2233, 9029096), (2552, 7900459), (4466, 4514548), (8932, 2257274), (17864, 1128637)]