20875793040

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3221573}}^1$

素因数の和:3221598

約数の個数: 100

約数和(自身を含む): 72504744444

約数和(自身を除く): 51628951404

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 3221573, 6443146, 9664719, 12886292, 16107865, 19329438, 25772584, 28994157, 32215730, 38658876, 48323595, 51545168, 57988314, 64431460, 77317752, 86982471, 96647190, 115976628, 128862920, 144970785, 154635504, 173964942, 193294380, 231953256, 257725840, 260947413, 289941570, 347929884, 386588760, 434912355, 463906512, 521894826, 579883140, 695859768, 773177520, 869824710, 1043789652, 1159766280, 1304737065, 1391719536, 1739649420, 2087579304, 2319532560, 2609474130, 3479298840, 4175158608, 5218948260, 6958597680, 10437896520, 20875793040]

約数ペア:

[(1, 20875793040), (2, 10437896520), (3, 6958597680), (4, 5218948260), (5, 4175158608), (6, 3479298840), (8, 2609474130), (9, 2319532560), (10, 2087579304), (12, 1739649420), (15, 1391719536), (16, 1304737065), (18, 1159766280), (20, 1043789652), (24, 869824710), (27, 773177520), (30, 695859768), (36, 579883140), (40, 521894826), (45, 463906512), (48, 434912355), (54, 386588760), (60, 347929884), (72, 289941570), (80, 260947413), (81, 257725840), (90, 231953256), (108, 193294380), (120, 173964942), (135, 154635504), (144, 144970785), (162, 128862920), (180, 115976628), (216, 96647190), (240, 86982471), (270, 77317752), (324, 64431460), (360, 57988314), (405, 51545168), (432, 48323595), (540, 38658876), (648, 32215730), (720, 28994157), (810, 25772584), (1080, 19329438), (1296, 16107865), (1620, 12886292), (2160, 9664719), (3240, 6443146), (6480, 3221573)]