20850372018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{9203}}^1\times {\mathrm{17981}}^1$

素因数の和:27199

約数の個数: 48

約数和(自身を含む): 51637974336

約数和(自身を除く): 30787602318

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 9203, 17981, 18406, 27609, 35962, 53943, 55218, 64421, 82827, 107886, 125867, 128842, 161829, 165654, 193263, 251734, 323658, 377601, 386526, 579789, 755202, 1132803, 1159578, 2265606, 165479143, 330958286, 496437429, 992874858, 1158354001, 1489312287, 2316708002, 2978624574, 3475062003, 6950124006, 10425186009, 20850372018]

約数ペア:

[(1, 20850372018), (2, 10425186009), (3, 6950124006), (6, 3475062003), (7, 2978624574), (9, 2316708002), (14, 1489312287), (18, 1158354001), (21, 992874858), (42, 496437429), (63, 330958286), (126, 165479143), (9203, 2265606), (17981, 1159578), (18406, 1132803), (27609, 755202), (35962, 579789), (53943, 386526), (55218, 377601), (64421, 323658), (82827, 251734), (107886, 193263), (125867, 165654), (128842, 161829)]