20173411984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{11941}}^1$

素因数の和:12320

約数の個数: 80

約数和(自身を含む): 44246543040

約数和(自身を除く): 24073131056

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 331, 464, 638, 662, 1276, 1324, 2552, 2648, 3641, 5104, 5296, 7282, 9599, 11941, 14564, 19198, 23882, 29128, 38396, 47764, 58256, 76792, 95528, 105589, 131351, 153584, 191056, 211178, 262702, 346289, 422356, 525404, 692578, 844712, 1050808, 1385156, 1689424, 2101616, 2770312, 3809179, 3952471, 5540624, 7618358, 7904942, 15236716, 15809884, 30473432, 31619768, 43477181, 60946864, 63239536, 86954362, 114621659, 173908724, 229243318, 347817448, 458486636, 695634896, 916973272, 1260838249, 1833946544, 2521676498, 5043352996, 10086705992, 20173411984]

約数ペア:

[(1, 20173411984), (2, 10086705992), (4, 5043352996), (8, 2521676498), (11, 1833946544), (16, 1260838249), (22, 916973272), (29, 695634896), (44, 458486636), (58, 347817448), (88, 229243318), (116, 173908724), (176, 114621659), (232, 86954362), (319, 63239536), (331, 60946864), (464, 43477181), (638, 31619768), (662, 30473432), (1276, 15809884), (1324, 15236716), (2552, 7904942), (2648, 7618358), (3641, 5540624), (5104, 3952471), (5296, 3809179), (7282, 2770312), (9599, 2101616), (11941, 1689424), (14564, 1385156), (19198, 1050808), (23882, 844712), (29128, 692578), (38396, 525404), (47764, 422356), (58256, 346289), (76792, 262702), (95528, 211178), (105589, 191056), (131351, 153584)]