20274848

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 23633632

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 239, 241, 352, 478, 482, 956, 964, 1912, 1928, 2629, 2651, 3824, 3856, 5258, 5302, 7648, 7712, 10516, 10604, 21032, 21208, 42064, 42416, 57599, 84128, 84832, 115198, 230396, 460792, 633589, 921584, 1267178, 1843168, 2534356, 5068712, 10137424, 20274848]

約数ペア:

[(1, 20274848), (2, 10137424), (4, 5068712), (8, 2534356), (11, 1843168), (16, 1267178), (22, 921584), (32, 633589), (44, 460792), (88, 230396), (176, 115198), (239, 84832), (241, 84128), (352, 57599), (478, 42416), (482, 42064), (956, 21208), (964, 21032), (1912, 10604), (1928, 10516), (2629, 7712), (2651, 7648), (3824, 5302), (3856, 5258)]