20381724

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{4679}}^1$

素因数の和:4711

約数の個数: 54

約数和(自身を含む): 56642040

約数和(自身を除く): 36260316

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1452, 2178, 4356, 4679, 9358, 14037, 18716, 28074, 42111, 51469, 56148, 84222, 102938, 154407, 168444, 205876, 308814, 463221, 566159, 617628, 926442, 1132318, 1698477, 1852884, 2264636, 3396954, 5095431, 6793908, 10190862, 20381724]

約数ペア:

[(1, 20381724), (2, 10190862), (3, 6793908), (4, 5095431), (6, 3396954), (9, 2264636), (11, 1852884), (12, 1698477), (18, 1132318), (22, 926442), (33, 617628), (36, 566159), (44, 463221), (66, 308814), (99, 205876), (121, 168444), (132, 154407), (198, 102938), (242, 84222), (363, 56148), (396, 51469), (484, 42111), (726, 28074), (1089, 18716), (1452, 14037), (2178, 9358), (4356, 4679)]