20293700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 51371712

約数和(自身を除く): 31078012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 140, 175, 212, 265, 350, 371, 530, 547, 700, 742, 1060, 1094, 1325, 1484, 1855, 2188, 2650, 2735, 3710, 3829, 5300, 5470, 7420, 7658, 9275, 10940, 13675, 15316, 18550, 19145, 27350, 28991, 37100, 38290, 54700, 57982, 76580, 95725, 115964, 144955, 191450, 202937, 289910, 382900, 405874, 579820, 724775, 811748, 1014685, 1449550, 2029370, 2899100, 4058740, 5073425, 10146850, 20293700]

約数ペア:

[(1, 20293700), (2, 10146850), (4, 5073425), (5, 4058740), (7, 2899100), (10, 2029370), (14, 1449550), (20, 1014685), (25, 811748), (28, 724775), (35, 579820), (50, 405874), (53, 382900), (70, 289910), (100, 202937), (106, 191450), (140, 144955), (175, 115964), (212, 95725), (265, 76580), (350, 57982), (371, 54700), (530, 38290), (547, 37100), (700, 28991), (742, 27350), (1060, 19145), (1094, 18550), (1325, 15316), (1484, 13675), (1855, 10940), (2188, 9275), (2650, 7658), (2735, 7420), (3710, 5470), (3829, 5300)]