20164790725912

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{259614671}}^1$

素因数の和:259614776

約数の個数: 64

約数和(自身を含む): 46107565747200

約数和(自身を除く): 25942775021288

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 73, 76, 133, 146, 152, 266, 292, 511, 532, 584, 1022, 1064, 1387, 2044, 2774, 4088, 5548, 9709, 11096, 19418, 38836, 77672, 259614671, 519229342, 1038458684, 1817302697, 2076917368, 3634605394, 4932678749, 7269210788, 9865357498, 14538421576, 18951870983, 19730714996, 34528751243, 37903741966, 39461429992, 69057502486, 75807483932, 132663096881, 138115004972, 151614967864, 265326193762, 276230009944, 360085548677, 530652387524, 720171097354, 1061304775048, 1440342194708, 2520598840739, 2880684389416, 5041197681478, 10082395362956, 20164790725912]

約数ペア:

[(1, 20164790725912), (2, 10082395362956), (4, 5041197681478), (7, 2880684389416), (8, 2520598840739), (14, 1440342194708), (19, 1061304775048), (28, 720171097354), (38, 530652387524), (56, 360085548677), (73, 276230009944), (76, 265326193762), (133, 151614967864), (146, 138115004972), (152, 132663096881), (266, 75807483932), (292, 69057502486), (511, 39461429992), (532, 37903741966), (584, 34528751243), (1022, 19730714996), (1064, 18951870983), (1387, 14538421576), (2044, 9865357498), (2774, 7269210788), (4088, 4932678749), (5548, 3634605394), (9709, 2076917368), (11096, 1817302697), (19418, 1038458684), (38836, 519229342), (77672, 259614671)]