20868870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5749}}^1$

素因数の和:5781

約数の個数: 48

約数和(自身を含む): 55062000

約数和(自身を除く): 34193130

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 242, 330, 363, 605, 726, 1210, 1815, 3630, 5749, 11498, 17247, 28745, 34494, 57490, 63239, 86235, 126478, 172470, 189717, 316195, 379434, 632390, 695629, 948585, 1391258, 1897170, 2086887, 3478145, 4173774, 6956290, 10434435, 20868870]

約数ペア:

[(1, 20868870), (2, 10434435), (3, 6956290), (5, 4173774), (6, 3478145), (10, 2086887), (11, 1897170), (15, 1391258), (22, 948585), (30, 695629), (33, 632390), (55, 379434), (66, 316195), (110, 189717), (121, 172470), (165, 126478), (242, 86235), (330, 63239), (363, 57490), (605, 34494), (726, 28745), (1210, 17247), (1815, 11498), (3630, 5749)]