20019972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5813}}^1$

素因数の和:5868

約数の個数: 48

約数和(自身を含む): 54698112

約数和(自身を除く): 34678140

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1722, 3444, 5813, 11626, 17439, 23252, 34878, 40691, 69756, 81382, 122073, 162764, 238333, 244146, 476666, 488292, 714999, 953332, 1429998, 1668331, 2859996, 3336662, 5004993, 6673324, 10009986, 20019972]

約数ペア:

[(1, 20019972), (2, 10009986), (3, 6673324), (4, 5004993), (6, 3336662), (7, 2859996), (12, 1668331), (14, 1429998), (21, 953332), (28, 714999), (41, 488292), (42, 476666), (82, 244146), (84, 238333), (123, 162764), (164, 122073), (246, 81382), (287, 69756), (492, 40691), (574, 34878), (861, 23252), (1148, 17439), (1722, 11626), (3444, 5813)]