20256588

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1$

素因数の和:117

約数の個数: 144

約数和(自身を含む): 61891200

約数和(自身を除く): 41634612

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 27, 33, 34, 36, 44, 51, 54, 59, 66, 68, 99, 102, 108, 118, 132, 153, 177, 187, 198, 204, 236, 289, 297, 306, 354, 374, 396, 459, 531, 561, 578, 594, 612, 649, 708, 748, 867, 918, 1003, 1062, 1122, 1156, 1188, 1298, 1593, 1683, 1734, 1836, 1947, 2006, 2124, 2244, 2596, 2601, 3009, 3179, 3186, 3366, 3468, 3894, 4012, 5049, 5202, 5841, 6018, 6358, 6372, 6732, 7788, 7803, 9027, 9537, 10098, 10404, 11033, 11682, 12036, 12716, 15606, 17051, 17523, 18054, 19074, 20196, 22066, 23364, 27081, 28611, 31212, 33099, 34102, 35046, 36108, 38148, 44132, 51153, 54162, 57222, 66198, 68204, 70092, 85833, 99297, 102306, 108324, 114444, 132396, 153459, 171666, 187561, 198594, 204612, 297891, 306918, 343332, 375122, 397188, 460377, 562683, 595782, 613836, 750244, 920754, 1125366, 1191564, 1688049, 1841508, 2250732, 3376098, 5064147, 6752196, 10128294, 20256588]

約数ペア:

[(1, 20256588), (2, 10128294), (3, 6752196), (4, 5064147), (6, 3376098), (9, 2250732), (11, 1841508), (12, 1688049), (17, 1191564), (18, 1125366), (22, 920754), (27, 750244), (33, 613836), (34, 595782), (36, 562683), (44, 460377), (51, 397188), (54, 375122), (59, 343332), (66, 306918), (68, 297891), (99, 204612), (102, 198594), (108, 187561), (118, 171666), (132, 153459), (153, 132396), (177, 114444), (187, 108324), (198, 102306), (204, 99297), (236, 85833), (289, 70092), (297, 68204), (306, 66198), (354, 57222), (374, 54162), (396, 51153), (459, 44132), (531, 38148), (561, 36108), (578, 35046), (594, 34102), (612, 33099), (649, 31212), (708, 28611), (748, 27081), (867, 23364), (918, 22066), (1003, 20196), (1062, 19074), (1122, 18054), (1156, 17523), (1188, 17051), (1298, 15606), (1593, 12716), (1683, 12036), (1734, 11682), (1836, 11033), (1947, 10404), (2006, 10098), (2124, 9537), (2244, 9027), (2596, 7803), (2601, 7788), (3009, 6732), (3179, 6372), (3186, 6358), (3366, 6018), (3468, 5841), (3894, 5202), (4012, 5049)]