20109253580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:556

約数の個数: 192

約数和(自身を含む): 48240517248

約数和(自身を除く): 28131263668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 43, 52, 65, 74, 86, 130, 148, 172, 173, 185, 215, 260, 281, 346, 370, 430, 481, 559, 562, 692, 740, 860, 865, 962, 1118, 1124, 1405, 1591, 1730, 1924, 2236, 2249, 2405, 2795, 2810, 3182, 3460, 3653, 4498, 4810, 5590, 5620, 6364, 6401, 7306, 7439, 7955, 8996, 9620, 10397, 11180, 11245, 12083, 12802, 14612, 14878, 15910, 18265, 20683, 20794, 22490, 24166, 25604, 29756, 31820, 32005, 36530, 37195, 41366, 41588, 44980, 48332, 48613, 51985, 60415, 64010, 73060, 74390, 82732, 83213, 96707, 97226, 103415, 103970, 120830, 128020, 135161, 148780, 157079, 166426, 193414, 194452, 206830, 207940, 241660, 243065, 270322, 275243, 314158, 332852, 386828, 413660, 416065, 447071, 483535, 486130, 540644, 550486, 628316, 631969, 675805, 785395, 832130, 894142, 967070, 972260, 1100972, 1263938, 1351610, 1376215, 1570790, 1664260, 1788284, 1798681, 1934140, 2090359, 2235355, 2527876, 2703220, 2752430, 3141580, 3159845, 3578159, 3597362, 4180718, 4470710, 5504860, 5811923, 6319690, 7156318, 7194724, 8361436, 8941420, 8993405, 10451795, 11623846, 12639380, 14312636, 17890795, 17986810, 20903590, 23247692, 23382853, 27174667, 29059615, 35781590, 35973620, 41807180, 46765706, 54349334, 58119230, 71563180, 77343283, 93531412, 108698668, 116238460, 116914265, 135873335, 154686566, 233828530, 271746670, 309373132, 386716415, 467657060, 543493340, 773432830, 1005462679, 1546865660, 2010925358, 4021850716, 5027313395, 10054626790, 20109253580]

約数ペア:

[(1, 20109253580), (2, 10054626790), (4, 5027313395), (5, 4021850716), (10, 2010925358), (13, 1546865660), (20, 1005462679), (26, 773432830), (37, 543493340), (43, 467657060), (52, 386716415), (65, 309373132), (74, 271746670), (86, 233828530), (130, 154686566), (148, 135873335), (172, 116914265), (173, 116238460), (185, 108698668), (215, 93531412), (260, 77343283), (281, 71563180), (346, 58119230), (370, 54349334), (430, 46765706), (481, 41807180), (559, 35973620), (562, 35781590), (692, 29059615), (740, 27174667), (860, 23382853), (865, 23247692), (962, 20903590), (1118, 17986810), (1124, 17890795), (1405, 14312636), (1591, 12639380), (1730, 11623846), (1924, 10451795), (2236, 8993405), (2249, 8941420), (2405, 8361436), (2795, 7194724), (2810, 7156318), (3182, 6319690), (3460, 5811923), (3653, 5504860), (4498, 4470710), (4810, 4180718), (5590, 3597362), (5620, 3578159), (6364, 3159845), (6401, 3141580), (7306, 2752430), (7439, 2703220), (7955, 2527876), (8996, 2235355), (9620, 2090359), (10397, 1934140), (11180, 1798681), (11245, 1788284), (12083, 1664260), (12802, 1570790), (14612, 1376215), (14878, 1351610), (15910, 1263938), (18265, 1100972), (20683, 972260), (20794, 967070), (22490, 894142), (24166, 832130), (25604, 785395), (29756, 675805), (31820, 631969), (32005, 628316), (36530, 550486), (37195, 540644), (41366, 486130), (41588, 483535), (44980, 447071), (48332, 416065), (48613, 413660), (51985, 386828), (60415, 332852), (64010, 314158), (73060, 275243), (74390, 270322), (82732, 243065), (83213, 241660), (96707, 207940), (97226, 206830), (103415, 194452), (103970, 193414), (120830, 166426), (128020, 157079), (135161, 148780)]