20911014

素因数分解:

$2^1\times 3^3\times {\mathrm{353}}^1\times {\mathrm{1097}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 46643040

約数和(自身を除く): 25732026

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 353, 706, 1059, 1097, 2118, 2194, 3177, 3291, 6354, 6582, 9531, 9873, 19062, 19746, 29619, 59238, 387241, 774482, 1161723, 2323446, 3485169, 6970338, 10455507, 20911014]

約数ペア:

[(1, 20911014), (2, 10455507), (3, 6970338), (6, 3485169), (9, 2323446), (18, 1161723), (27, 774482), (54, 387241), (353, 59238), (706, 29619), (1059, 19746), (1097, 19062), (2118, 9873), (2194, 9531), (3177, 6582), (3291, 6354)]