20365020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{967}}^1$

素因数の和:1001

約数の個数: 120

約数和(自身を含む): 68871264

約数和(自身を除く): 48506244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 967, 1053, 1170, 1404, 1620, 1755, 1934, 2106, 2340, 2901, 3510, 3868, 4212, 4835, 5265, 5802, 7020, 8703, 9670, 10530, 11604, 12571, 14505, 17406, 19340, 21060, 25142, 26109, 29010, 34812, 37713, 43515, 50284, 52218, 58020, 62855, 75426, 78327, 87030, 104436, 113139, 125710, 130545, 150852, 156654, 174060, 188565, 226278, 251420, 261090, 313308, 339417, 377130, 391635, 452556, 522180, 565695, 678834, 754260, 783270, 1018251, 1131390, 1357668, 1566540, 1697085, 2036502, 2262780, 3394170, 4073004, 5091255, 6788340, 10182510, 20365020]

約数ペア:

[(1, 20365020), (2, 10182510), (3, 6788340), (4, 5091255), (5, 4073004), (6, 3394170), (9, 2262780), (10, 2036502), (12, 1697085), (13, 1566540), (15, 1357668), (18, 1131390), (20, 1018251), (26, 783270), (27, 754260), (30, 678834), (36, 565695), (39, 522180), (45, 452556), (52, 391635), (54, 377130), (60, 339417), (65, 313308), (78, 261090), (81, 251420), (90, 226278), (108, 188565), (117, 174060), (130, 156654), (135, 150852), (156, 130545), (162, 125710), (180, 113139), (195, 104436), (234, 87030), (260, 78327), (270, 75426), (324, 62855), (351, 58020), (390, 52218), (405, 50284), (468, 43515), (540, 37713), (585, 34812), (702, 29010), (780, 26109), (810, 25142), (967, 21060), (1053, 19340), (1170, 17406), (1404, 14505), (1620, 12571), (1755, 11604), (1934, 10530), (2106, 9670), (2340, 8703), (2901, 7020), (3510, 5802), (3868, 5265), (4212, 4835)]