20496157045

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{3019}}^1$

素因数の和:3434

約数の個数: 64

約数和(自身を含む): 31074785280

約数和(自身を除く): 10578628235

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 347, 455, 559, 1505, 1735, 2429, 2795, 3019, 3913, 4511, 12145, 14921, 15095, 19565, 21133, 22555, 31577, 39247, 74605, 104447, 105665, 129817, 157885, 193973, 196235, 274729, 522235, 649085, 908719, 969865, 1047593, 1357811, 1373645, 1687621, 4543595, 5237965, 6789055, 7333151, 8438105, 11813347, 13618709, 36665755, 45046499, 59066735, 68093545, 95330963, 225232495, 315325493, 476654815, 585604487, 1576627465, 2928022435, 4099231409, 20496157045]

約数ペア:

[(1, 20496157045), (5, 4099231409), (7, 2928022435), (13, 1576627465), (35, 585604487), (43, 476654815), (65, 315325493), (91, 225232495), (215, 95330963), (301, 68093545), (347, 59066735), (455, 45046499), (559, 36665755), (1505, 13618709), (1735, 11813347), (2429, 8438105), (2795, 7333151), (3019, 6789055), (3913, 5237965), (4511, 4543595), (12145, 1687621), (14921, 1373645), (15095, 1357811), (19565, 1047593), (21133, 969865), (22555, 908719), (31577, 649085), (39247, 522235), (74605, 274729), (104447, 196235), (105665, 193973), (129817, 157885)]