20578790340

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{146011}}^1$

素因数の和:146064

約数の個数: 144

約数和(自身を含む): 66966943680

約数和(自身を除く): 46388153340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 243, 261, 270, 290, 324, 348, 405, 435, 486, 522, 540, 580, 783, 810, 870, 972, 1044, 1215, 1305, 1566, 1620, 1740, 2349, 2430, 2610, 3132, 3915, 4698, 4860, 5220, 7047, 7830, 9396, 11745, 14094, 15660, 23490, 28188, 35235, 46980, 70470, 140940, 146011, 292022, 438033, 584044, 730055, 876066, 1314099, 1460110, 1752132, 2190165, 2628198, 2920220, 3942297, 4234319, 4380330, 5256396, 6570495, 7884594, 8468638, 8760660, 11826891, 12702957, 13140990, 15769188, 16937276, 19711485, 21171595, 23653782, 25405914, 26281980, 35480673, 38108871, 39422970, 42343190, 47307564, 50811828, 59134455, 63514785, 70961346, 76217742, 78845940, 84686380, 114326613, 118268910, 127029570, 141922692, 152435484, 177403365, 190544355, 228653226, 236537820, 254059140, 342979839, 354806730, 381088710, 457306452, 571633065, 685959678, 709613460, 762177420, 1028939517, 1143266130, 1371919356, 1714899195, 2057879034, 2286532260, 3429798390, 4115758068, 5144697585, 6859596780, 10289395170, 20578790340]

約数ペア:

[(1, 20578790340), (2, 10289395170), (3, 6859596780), (4, 5144697585), (5, 4115758068), (6, 3429798390), (9, 2286532260), (10, 2057879034), (12, 1714899195), (15, 1371919356), (18, 1143266130), (20, 1028939517), (27, 762177420), (29, 709613460), (30, 685959678), (36, 571633065), (45, 457306452), (54, 381088710), (58, 354806730), (60, 342979839), (81, 254059140), (87, 236537820), (90, 228653226), (108, 190544355), (116, 177403365), (135, 152435484), (145, 141922692), (162, 127029570), (174, 118268910), (180, 114326613), (243, 84686380), (261, 78845940), (270, 76217742), (290, 70961346), (324, 63514785), (348, 59134455), (405, 50811828), (435, 47307564), (486, 42343190), (522, 39422970), (540, 38108871), (580, 35480673), (783, 26281980), (810, 25405914), (870, 23653782), (972, 21171595), (1044, 19711485), (1215, 16937276), (1305, 15769188), (1566, 13140990), (1620, 12702957), (1740, 11826891), (2349, 8760660), (2430, 8468638), (2610, 7884594), (3132, 6570495), (3915, 5256396), (4698, 4380330), (4860, 4234319), (5220, 3942297), (7047, 2920220), (7830, 2628198), (9396, 2190165), (11745, 1752132), (14094, 1460110), (15660, 1314099), (23490, 876066), (28188, 730055), (35235, 584044), (46980, 438033), (70470, 292022), (140940, 146011)]