20729874

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 48568320

約数和(自身を除く): 27838446

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 61, 66, 114, 122, 183, 209, 271, 366, 418, 542, 627, 671, 813, 1159, 1254, 1342, 1626, 2013, 2318, 2981, 3477, 4026, 5149, 5962, 6954, 8943, 10298, 12749, 15447, 16531, 17886, 25498, 30894, 33062, 38247, 49593, 56639, 76494, 99186, 113278, 169917, 181841, 314089, 339834, 363682, 545523, 628178, 942267, 1091046, 1884534, 3454979, 6909958, 10364937, 20729874]

約数ペア:

[(1, 20729874), (2, 10364937), (3, 6909958), (6, 3454979), (11, 1884534), (19, 1091046), (22, 942267), (33, 628178), (38, 545523), (57, 363682), (61, 339834), (66, 314089), (114, 181841), (122, 169917), (183, 113278), (209, 99186), (271, 76494), (366, 56639), (418, 49593), (542, 38247), (627, 33062), (671, 30894), (813, 25498), (1159, 17886), (1254, 16531), (1342, 15447), (1626, 12749), (2013, 10298), (2318, 8943), (2981, 6954), (3477, 5962), (4026, 5149)]