20928783670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1367}}^1\times {\mathrm{4241}}^1$

素因数の和:5653

約数の個数: 48

約数和(自身を含む): 39797358048

約数和(自身を除く): 18868574378

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1367, 1805, 2734, 3610, 4241, 6835, 8482, 13670, 21205, 25973, 42410, 51946, 80579, 129865, 161158, 259730, 402895, 493487, 805790, 986974, 1531001, 2467435, 3062002, 4934870, 5797447, 7655005, 11594894, 15310010, 28987235, 57974470, 110151493, 220302986, 550757465, 1101514930, 2092878367, 4185756734, 10464391835, 20928783670]

約数ペア:

[(1, 20928783670), (2, 10464391835), (5, 4185756734), (10, 2092878367), (19, 1101514930), (38, 550757465), (95, 220302986), (190, 110151493), (361, 57974470), (722, 28987235), (1367, 15310010), (1805, 11594894), (2734, 7655005), (3610, 5797447), (4241, 4934870), (6835, 3062002), (8482, 2467435), (13670, 1531001), (21205, 986974), (25973, 805790), (42410, 493487), (51946, 402895), (80579, 259730), (129865, 161158)]