20370218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 34765632

約数和(自身を除く): 14395414

約数列:

[1, 2, 11, 22, 43, 61, 86, 122, 353, 473, 671, 706, 946, 1342, 2623, 3883, 5246, 7766, 15179, 21533, 28853, 30358, 43066, 57706, 166969, 236863, 333938, 473726, 925919, 1851838, 10185109, 20370218]

約数ペア:

[(1, 20370218), (2, 10185109), (11, 1851838), (22, 925919), (43, 473726), (61, 333938), (86, 236863), (122, 166969), (353, 57706), (473, 43066), (671, 30358), (706, 28853), (946, 21533), (1342, 15179), (2623, 7766), (3883, 5246)]