20103860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8447}}^1$

素因数の和:8480

約数の個数: 48

約数和(自身を含む): 51093504

約数和(自身を除く): 30989644

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8447, 16894, 33788, 42235, 59129, 84470, 118258, 143599, 168940, 236516, 287198, 295645, 574396, 591290, 717995, 1005193, 1182580, 1435990, 2010386, 2871980, 4020772, 5025965, 10051930, 20103860]

約数ペア:

[(1, 20103860), (2, 10051930), (4, 5025965), (5, 4020772), (7, 2871980), (10, 2010386), (14, 1435990), (17, 1182580), (20, 1005193), (28, 717995), (34, 591290), (35, 574396), (68, 295645), (70, 287198), (85, 236516), (119, 168940), (140, 143599), (170, 118258), (238, 84470), (340, 59129), (476, 42235), (595, 33788), (1190, 16894), (2380, 8447)]