20687256

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{3637}}^1$

素因数の和:3728

約数の個数: 48

約数和(自身を含む): 56752800

約数和(自身を除く): 36065544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 3637, 5688, 7274, 10911, 14548, 21822, 29096, 32733, 43644, 65466, 87288, 130932, 261864, 287323, 574646, 861969, 1149292, 1723938, 2298584, 2585907, 3447876, 5171814, 6895752, 10343628, 20687256]

約数ペア:

[(1, 20687256), (2, 10343628), (3, 6895752), (4, 5171814), (6, 3447876), (8, 2585907), (9, 2298584), (12, 1723938), (18, 1149292), (24, 861969), (36, 574646), (72, 287323), (79, 261864), (158, 130932), (237, 87288), (316, 65466), (474, 43644), (632, 32733), (711, 29096), (948, 21822), (1422, 14548), (1896, 10911), (2844, 7274), (3637, 5688)]