20184390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{24919}}^1$

素因数の和:24938

約数の個数: 40

約数和(自身を含む): 54275760

約数和(自身を除く): 34091370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 24919, 49838, 74757, 124595, 149514, 224271, 249190, 373785, 448542, 672813, 747570, 1121355, 1345626, 2018439, 2242710, 3364065, 4036878, 6728130, 10092195, 20184390]

約数ペア:

[(1, 20184390), (2, 10092195), (3, 6728130), (5, 4036878), (6, 3364065), (9, 2242710), (10, 2018439), (15, 1345626), (18, 1121355), (27, 747570), (30, 672813), (45, 448542), (54, 373785), (81, 249190), (90, 224271), (135, 149514), (162, 124595), (270, 74757), (405, 49838), (810, 24919)]