20496364

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 43948800

約数和(自身を除く): 23452436

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 59, 76, 118, 133, 236, 266, 413, 532, 653, 826, 1121, 1306, 1652, 2242, 2612, 4484, 4571, 7847, 9142, 12407, 15694, 18284, 24814, 31388, 38527, 49628, 77054, 86849, 154108, 173698, 269689, 347396, 539378, 732013, 1078756, 1464026, 2928052, 5124091, 10248182, 20496364]

約数ペア:

[(1, 20496364), (2, 10248182), (4, 5124091), (7, 2928052), (14, 1464026), (19, 1078756), (28, 732013), (38, 539378), (59, 347396), (76, 269689), (118, 173698), (133, 154108), (236, 86849), (266, 77054), (413, 49628), (532, 38527), (653, 31388), (826, 24814), (1121, 18284), (1306, 15694), (1652, 12407), (2242, 9142), (2612, 7847), (4484, 4571)]