20081040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11953}}^1$

素因数の和:11976

約数の個数: 80

約数和(自身を含む): 71150208

約数和(自身を除く): 51069168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11953, 23906, 35859, 47812, 59765, 71718, 83671, 95624, 119530, 143436, 167342, 179295, 191248, 239060, 251013, 286872, 334684, 358590, 418355, 478120, 502026, 573744, 669368, 717180, 836710, 956240, 1004052, 1255065, 1338736, 1434360, 1673420, 2008104, 2510130, 2868720, 3346840, 4016208, 5020260, 6693680, 10040520, 20081040]

約数ペア:

[(1, 20081040), (2, 10040520), (3, 6693680), (4, 5020260), (5, 4016208), (6, 3346840), (7, 2868720), (8, 2510130), (10, 2008104), (12, 1673420), (14, 1434360), (15, 1338736), (16, 1255065), (20, 1004052), (21, 956240), (24, 836710), (28, 717180), (30, 669368), (35, 573744), (40, 502026), (42, 478120), (48, 418355), (56, 358590), (60, 334684), (70, 286872), (80, 251013), (84, 239060), (105, 191248), (112, 179295), (120, 167342), (140, 143436), (168, 119530), (210, 95624), (240, 83671), (280, 71718), (336, 59765), (420, 47812), (560, 35859), (840, 23906), (1680, 11953)]