20859652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 42223104

約数和(自身を除く): 21363452

約数列:

[1, 2, 4, 11, 22, 31, 41, 44, 62, 82, 124, 164, 341, 373, 451, 682, 746, 902, 1271, 1364, 1492, 1804, 2542, 4103, 5084, 8206, 11563, 13981, 15293, 16412, 23126, 27962, 30586, 46252, 55924, 61172, 127193, 168223, 254386, 336446, 474083, 508772, 672892, 948166, 1896332, 5214913, 10429826, 20859652]

約数ペア:

[(1, 20859652), (2, 10429826), (4, 5214913), (11, 1896332), (22, 948166), (31, 672892), (41, 508772), (44, 474083), (62, 336446), (82, 254386), (124, 168223), (164, 127193), (341, 61172), (373, 55924), (451, 46252), (682, 30586), (746, 27962), (902, 23126), (1271, 16412), (1364, 15293), (1492, 13981), (1804, 11563), (2542, 8206), (4103, 5084)]