20862

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:88

約数の個数: 24

約数和(自身を含む): 48360

約数和(自身を除く): 27498

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 549, 1098, 1159, 2318, 3477, 6954, 10431, 20862]

約数ペア:

[(1, 20862), (2, 10431), (3, 6954), (6, 3477), (9, 2318), (18, 1159), (19, 1098), (38, 549), (57, 366), (61, 342), (114, 183), (122, 171)]