20785074914

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{769}}^1\times {\mathrm{1453}}^1$

素因数の和:2426

約数の個数: 32

約数和(自身を含む): 31921464960

約数和(自身を除く): 11136390046

約数列:

[1, 2, 71, 131, 142, 262, 769, 1453, 1538, 2906, 9301, 18602, 54599, 100739, 103163, 109198, 190343, 201478, 206326, 380686, 1117357, 2234714, 7152469, 13514353, 14304938, 27028706, 79332347, 146373767, 158664694, 292747534, 10392537457, 20785074914]

約数ペア:

[(1, 20785074914), (2, 10392537457), (71, 292747534), (131, 158664694), (142, 146373767), (262, 79332347), (769, 27028706), (1453, 14304938), (1538, 13514353), (2906, 7152469), (9301, 2234714), (18602, 1117357), (54599, 380686), (100739, 206326), (103163, 201478), (109198, 190343)]