20189917216

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1345277}}^1$

素因数の和:1345361

約数の個数: 48

約数和(自身を含む): 46105367616

約数和(自身を除く): 25915450400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1876, 2144, 3752, 7504, 15008, 1345277, 2690554, 5381108, 9416939, 10762216, 18833878, 21524432, 37667756, 43048864, 75335512, 90133559, 150671024, 180267118, 301342048, 360534236, 630934913, 721068472, 1261869826, 1442136944, 2523739652, 2884273888, 5047479304, 10094958608, 20189917216]

約数ペア:

[(1, 20189917216), (2, 10094958608), (4, 5047479304), (7, 2884273888), (8, 2523739652), (14, 1442136944), (16, 1261869826), (28, 721068472), (32, 630934913), (56, 360534236), (67, 301342048), (112, 180267118), (134, 150671024), (224, 90133559), (268, 75335512), (469, 43048864), (536, 37667756), (938, 21524432), (1072, 18833878), (1876, 10762216), (2144, 9416939), (3752, 5381108), (7504, 2690554), (15008, 1345277)]