20531742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2381

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 33381858

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 77, 114, 133, 154, 209, 231, 266, 399, 418, 462, 627, 798, 1254, 1463, 2339, 2926, 4389, 4678, 7017, 8778, 14034, 16373, 25729, 32746, 44441, 49119, 51458, 77187, 88882, 98238, 133323, 154374, 180103, 266646, 311087, 360206, 488851, 540309, 622174, 933261, 977702, 1080618, 1466553, 1866522, 2933106, 3421957, 6843914, 10265871, 20531742]

約数ペア:

[(1, 20531742), (2, 10265871), (3, 6843914), (6, 3421957), (7, 2933106), (11, 1866522), (14, 1466553), (19, 1080618), (21, 977702), (22, 933261), (33, 622174), (38, 540309), (42, 488851), (57, 360206), (66, 311087), (77, 266646), (114, 180103), (133, 154374), (154, 133323), (209, 98238), (231, 88882), (266, 77187), (399, 51458), (418, 49119), (462, 44441), (627, 32746), (798, 25729), (1254, 16373), (1463, 14034), (2339, 8778), (2926, 7017), (4389, 4678)]