20580840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8167}}^1$

素因数の和:8191

約数の個数: 96

約数和(自身を含む): 76452480

約数和(自身を除く): 55871640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8167, 16334, 24501, 32668, 40835, 49002, 57169, 65336, 73503, 81670, 98004, 114338, 122505, 147006, 163340, 171507, 196008, 228676, 245010, 285845, 294012, 326680, 343014, 367515, 457352, 490020, 514521, 571690, 588024, 686028, 735030, 857535, 980040, 1029042, 1143380, 1372056, 1470060, 1715070, 2058084, 2286760, 2572605, 2940120, 3430140, 4116168, 5145210, 6860280, 10290420, 20580840]

約数ペア:

[(1, 20580840), (2, 10290420), (3, 6860280), (4, 5145210), (5, 4116168), (6, 3430140), (7, 2940120), (8, 2572605), (9, 2286760), (10, 2058084), (12, 1715070), (14, 1470060), (15, 1372056), (18, 1143380), (20, 1029042), (21, 980040), (24, 857535), (28, 735030), (30, 686028), (35, 588024), (36, 571690), (40, 514521), (42, 490020), (45, 457352), (56, 367515), (60, 343014), (63, 326680), (70, 294012), (72, 285845), (84, 245010), (90, 228676), (105, 196008), (120, 171507), (126, 163340), (140, 147006), (168, 122505), (180, 114338), (210, 98004), (252, 81670), (280, 73503), (315, 65336), (360, 57169), (420, 49002), (504, 40835), (630, 32668), (840, 24501), (1260, 16334), (2520, 8167)]