20697079320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1\times {\mathrm{2551}}^1$

素因数の和:3326

約数の個数: 192

約数和(自身を含む): 69558128640

約数和(自身を除く): 48861049320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 727, 744, 930, 1116, 1240, 1395, 1454, 1860, 2181, 2232, 2551, 2790, 2908, 3635, 3720, 4362, 5102, 5580, 5816, 6543, 7270, 7653, 8724, 10204, 10905, 11160, 12755, 13086, 14540, 15306, 17448, 20408, 21810, 22537, 22959, 25510, 26172, 29080, 30612, 32715, 38265, 43620, 45074, 45918, 51020, 52344, 61224, 65430, 67611, 76530, 79081, 87240, 90148, 91836, 102040, 112685, 114795, 130860, 135222, 153060, 158162, 180296, 183672, 202833, 225370, 229590, 237243, 261720, 270444, 306120, 316324, 338055, 395405, 405666, 450740, 459180, 474486, 540888, 632648, 676110, 711729, 790810, 811332, 901480, 918360, 948972, 1014165, 1186215, 1352220, 1423458, 1581620, 1622664, 1854577, 1897944, 2028330, 2372430, 2704440, 2846916, 3163240, 3558645, 3709154, 4056660, 4744860, 5563731, 5693832, 7117290, 7418308, 8113320, 9272885, 9489720, 11127462, 14234580, 14836616, 16691193, 18545770, 22254924, 27818655, 28469160, 33382386, 37091540, 44509848, 55637310, 57491887, 66764772, 74183080, 83455965, 111274620, 114983774, 133529544, 166911930, 172475661, 222549240, 229967548, 287459435, 333823860, 344951322, 459935096, 517426983, 574918870, 667647720, 689902644, 862378305, 1034853966, 1149837740, 1379805288, 1724756610, 2069707932, 2299675480, 2587134915, 3449513220, 4139415864, 5174269830, 6899026440, 10348539660, 20697079320]

約数ペア:

[(1, 20697079320), (2, 10348539660), (3, 6899026440), (4, 5174269830), (5, 4139415864), (6, 3449513220), (8, 2587134915), (9, 2299675480), (10, 2069707932), (12, 1724756610), (15, 1379805288), (18, 1149837740), (20, 1034853966), (24, 862378305), (30, 689902644), (31, 667647720), (36, 574918870), (40, 517426983), (45, 459935096), (60, 344951322), (62, 333823860), (72, 287459435), (90, 229967548), (93, 222549240), (120, 172475661), (124, 166911930), (155, 133529544), (180, 114983774), (186, 111274620), (248, 83455965), (279, 74183080), (310, 66764772), (360, 57491887), (372, 55637310), (465, 44509848), (558, 37091540), (620, 33382386), (727, 28469160), (744, 27818655), (930, 22254924), (1116, 18545770), (1240, 16691193), (1395, 14836616), (1454, 14234580), (1860, 11127462), (2181, 9489720), (2232, 9272885), (2551, 8113320), (2790, 7418308), (2908, 7117290), (3635, 5693832), (3720, 5563731), (4362, 4744860), (5102, 4056660), (5580, 3709154), (5816, 3558645), (6543, 3163240), (7270, 2846916), (7653, 2704440), (8724, 2372430), (10204, 2028330), (10905, 1897944), (11160, 1854577), (12755, 1622664), (13086, 1581620), (14540, 1423458), (15306, 1352220), (17448, 1186215), (20408, 1014165), (21810, 948972), (22537, 918360), (22959, 901480), (25510, 811332), (26172, 790810), (29080, 711729), (30612, 676110), (32715, 632648), (38265, 540888), (43620, 474486), (45074, 459180), (45918, 450740), (51020, 405666), (52344, 395405), (61224, 338055), (65430, 316324), (67611, 306120), (76530, 270444), (79081, 261720), (87240, 237243), (90148, 229590), (91836, 225370), (102040, 202833), (112685, 183672), (114795, 180296), (130860, 158162), (135222, 153060)]