20191120

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3767}}^1$

素因数の和:3847

約数の個数: 40

約数和(自身を含む): 47657664

約数和(自身を除く): 27466544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 3767, 5360, 7534, 15068, 18835, 30136, 37670, 60272, 75340, 150680, 252389, 301360, 504778, 1009556, 1261945, 2019112, 2523890, 4038224, 5047780, 10095560, 20191120]

約数ペア:

[(1, 20191120), (2, 10095560), (4, 5047780), (5, 4038224), (8, 2523890), (10, 2019112), (16, 1261945), (20, 1009556), (40, 504778), (67, 301360), (80, 252389), (134, 150680), (268, 75340), (335, 60272), (536, 37670), (670, 30136), (1072, 18835), (1340, 15068), (2680, 7534), (3767, 5360)]