20891320417

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1\times {\mathrm{3677}}^1$

素因数の和:5049

約数の個数: 32

約数和(自身を含む): 25206246144

約数和(自身を除く): 4314925727

約数列:

[1, 11, 17, 23, 187, 253, 391, 1321, 3677, 4301, 14531, 22457, 30383, 40447, 62509, 84571, 247027, 334213, 516511, 687599, 930281, 1437707, 4857317, 5681621, 15814777, 53430487, 82574389, 111718291, 908318279, 1228901201, 1899210947, 20891320417]

約数ペア:

[(1, 20891320417), (11, 1899210947), (17, 1228901201), (23, 908318279), (187, 111718291), (253, 82574389), (391, 53430487), (1321, 15814777), (3677, 5681621), (4301, 4857317), (14531, 1437707), (22457, 930281), (30383, 687599), (40447, 516511), (62509, 334213), (84571, 247027)]