20213904920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{367}}^1\times {\mathrm{829}}^1$

素因数の和:1369

約数の個数: 128

約数和(自身を含む): 50141030400

約数和(自身を除く): 29927125480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 302, 367, 440, 604, 734, 755, 829, 1208, 1468, 1510, 1658, 1661, 1835, 2936, 3020, 3316, 3322, 3670, 4037, 4145, 6040, 6632, 6644, 7340, 8074, 8290, 8305, 9119, 13288, 14680, 16148, 16580, 16610, 18238, 20185, 32296, 33160, 33220, 36476, 40370, 45595, 55417, 66440, 72952, 80740, 91190, 110834, 125179, 161480, 182380, 221668, 250358, 277085, 304243, 364760, 443336, 500716, 554170, 608486, 609587, 625895, 1001432, 1108340, 1216972, 1219174, 1251790, 1376969, 1521215, 2216680, 2433944, 2438348, 2503580, 2753938, 3042430, 3047935, 3346673, 4876696, 5007160, 5507876, 6084860, 6095870, 6693346, 6884845, 11015752, 12169720, 12191740, 13386692, 13769690, 16733365, 24383480, 26773384, 27539380, 33466730, 45940693, 55078760, 66933460, 91881386, 133866920, 183762772, 229703465, 367525544, 459406930, 505347623, 918813860, 1010695246, 1837627720, 2021390492, 2526738115, 4042780984, 5053476230, 10106952460, 20213904920]

約数ペア:

[(1, 20213904920), (2, 10106952460), (4, 5053476230), (5, 4042780984), (8, 2526738115), (10, 2021390492), (11, 1837627720), (20, 1010695246), (22, 918813860), (40, 505347623), (44, 459406930), (55, 367525544), (88, 229703465), (110, 183762772), (151, 133866920), (220, 91881386), (302, 66933460), (367, 55078760), (440, 45940693), (604, 33466730), (734, 27539380), (755, 26773384), (829, 24383480), (1208, 16733365), (1468, 13769690), (1510, 13386692), (1658, 12191740), (1661, 12169720), (1835, 11015752), (2936, 6884845), (3020, 6693346), (3316, 6095870), (3322, 6084860), (3670, 5507876), (4037, 5007160), (4145, 4876696), (6040, 3346673), (6632, 3047935), (6644, 3042430), (7340, 2753938), (8074, 2503580), (8290, 2438348), (8305, 2433944), (9119, 2216680), (13288, 1521215), (14680, 1376969), (16148, 1251790), (16580, 1219174), (16610, 1216972), (18238, 1108340), (20185, 1001432), (32296, 625895), (33160, 609587), (33220, 608486), (36476, 554170), (40370, 500716), (45595, 443336), (55417, 364760), (66440, 304243), (72952, 277085), (80740, 250358), (91190, 221668), (110834, 182380), (125179, 161480)]