20196940372

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{280997}}^1$

素因数の和:281176

約数の個数: 48

約数和(自身を含む): 43053389568

約数和(自身を除く): 22856449196

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 151, 238, 302, 476, 604, 1057, 2114, 2567, 4228, 5134, 10268, 17969, 35938, 71876, 280997, 561994, 1123988, 1966979, 3933958, 4776949, 7867916, 9553898, 19107796, 33438643, 42430547, 66877286, 84861094, 133754572, 169722188, 297013829, 594027658, 721319299, 1188055316, 1442638598, 2885277196, 5049235093, 10098470186, 20196940372]

約数ペア:

[(1, 20196940372), (2, 10098470186), (4, 5049235093), (7, 2885277196), (14, 1442638598), (17, 1188055316), (28, 721319299), (34, 594027658), (68, 297013829), (119, 169722188), (151, 133754572), (238, 84861094), (302, 66877286), (476, 42430547), (604, 33438643), (1057, 19107796), (2114, 9553898), (2567, 7867916), (4228, 4776949), (5134, 3933958), (10268, 1966979), (17969, 1123988), (35938, 561994), (71876, 280997)]