16820290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1938

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 15527870

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 1871, 3742, 4495, 8990, 9355, 18710, 54259, 58001, 108518, 116002, 271295, 290005, 542590, 580010, 1682029, 3364058, 8410145, 16820290]

約数ペア:

[(1, 16820290), (2, 8410145), (5, 3364058), (10, 1682029), (29, 580010), (31, 542590), (58, 290005), (62, 271295), (145, 116002), (155, 108518), (290, 58001), (310, 54259), (899, 18710), (1798, 9355), (1871, 8990), (3742, 4495)]