20728746

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67741}}^1$

素因数の和:67766

約数の個数: 24

約数和(自身を含む): 47554884

約数和(自身を除く): 26826138

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 67741, 135482, 203223, 406446, 609669, 1151597, 1219338, 2303194, 3454791, 6909582, 10364373, 20728746]

約数ペア:

[(1, 20728746), (2, 10364373), (3, 6909582), (6, 3454791), (9, 2303194), (17, 1219338), (18, 1151597), (34, 609669), (51, 406446), (102, 203223), (153, 135482), (306, 67741)]