20194382875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{2137}}^1\times {\mathrm{4447}}^1$

素因数の和:6616

約数の個数: 32

約数和(自身を含む): 26703585792

約数和(自身を除く): 6509202917

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 2137, 4447, 10685, 22235, 36329, 53425, 75599, 111175, 181645, 267125, 377995, 555875, 908225, 1889975, 4541125, 9449875, 9503239, 47516195, 161555063, 237580975, 807775315, 1187904875, 4038876575, 20194382875]

約数ペア:

[(1, 20194382875), (5, 4038876575), (17, 1187904875), (25, 807775315), (85, 237580975), (125, 161555063), (425, 47516195), (2125, 9503239), (2137, 9449875), (4447, 4541125), (10685, 1889975), (22235, 908225), (36329, 555875), (53425, 377995), (75599, 267125), (111175, 181645)]