20210298948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{199999}}^1$

素因数の和:200417

約数の個数: 72

約数和(自身を含む): 58531200000

約数和(自身を除く): 38320901052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 401, 802, 1203, 1604, 2406, 2807, 3609, 4812, 5614, 7218, 8421, 11228, 14436, 16842, 25263, 33684, 50526, 101052, 199999, 399998, 599997, 799996, 1199994, 1399993, 1799991, 2399988, 2799986, 3599982, 4199979, 5599972, 7199964, 8399958, 12599937, 16799916, 25199874, 50399748, 80199599, 160399198, 240598797, 320798396, 481197594, 561397193, 721796391, 962395188, 1122794386, 1443592782, 1684191579, 2245588772, 2887185564, 3368383158, 5052574737, 6736766316, 10105149474, 20210298948]

約数ペア:

[(1, 20210298948), (2, 10105149474), (3, 6736766316), (4, 5052574737), (6, 3368383158), (7, 2887185564), (9, 2245588772), (12, 1684191579), (14, 1443592782), (18, 1122794386), (21, 962395188), (28, 721796391), (36, 561397193), (42, 481197594), (63, 320798396), (84, 240598797), (126, 160399198), (252, 80199599), (401, 50399748), (802, 25199874), (1203, 16799916), (1604, 12599937), (2406, 8399958), (2807, 7199964), (3609, 5599972), (4812, 4199979), (5614, 3599982), (7218, 2799986), (8421, 2399988), (11228, 1799991), (14436, 1399993), (16842, 1199994), (25263, 799996), (33684, 599997), (50526, 399998), (101052, 199999)]