20909350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5431}}^1$

素因数の和:5461

約数の個数: 48

約数和(自身を含む): 48496896

約数和(自身を除く): 27587546

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5431, 10862, 27155, 38017, 54310, 59741, 76034, 119482, 135775, 190085, 271550, 298705, 380170, 418187, 597410, 836374, 950425, 1493525, 1900850, 2090935, 2987050, 4181870, 10454675, 20909350]

約数ペア:

[(1, 20909350), (2, 10454675), (5, 4181870), (7, 2987050), (10, 2090935), (11, 1900850), (14, 1493525), (22, 950425), (25, 836374), (35, 597410), (50, 418187), (55, 380170), (70, 298705), (77, 271550), (110, 190085), (154, 135775), (175, 119482), (275, 76034), (350, 59741), (385, 54310), (550, 38017), (770, 27155), (1925, 10862), (3850, 5431)]