20919912003

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{360769}}^1$

素因数の和:361171

約数の個数: 24

約数和(自身を含む): 32079668400

約数和(自身を除く): 11159756397

約数列:

[1, 3, 9, 17, 51, 153, 379, 1137, 3411, 6443, 19329, 57987, 360769, 1082307, 3246921, 6133073, 18399219, 55197657, 136731451, 410194353, 1230583059, 2324434667, 6973304001, 20919912003]

約数ペア:

[(1, 20919912003), (3, 6973304001), (9, 2324434667), (17, 1230583059), (51, 410194353), (153, 136731451), (379, 55197657), (1137, 18399219), (3411, 6133073), (6443, 3246921), (19329, 1082307), (57987, 360769)]