20175155630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{491}}^1\times {\mathrm{83857}}^1$

素因数の和:84369

約数の個数: 48

約数和(自身を含む): 42330847536

約数和(自身を除く): 22155691906

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 491, 982, 2455, 3437, 4910, 6874, 17185, 24059, 34370, 48118, 83857, 120295, 167714, 240590, 419285, 586999, 838570, 1173998, 2934995, 4108993, 5869990, 8217986, 20544965, 41089930, 41173787, 82347574, 205868935, 288216509, 411737870, 576433018, 1441082545, 2017515563, 2882165090, 4035031126, 10087577815, 20175155630]

約数ペア:

[(1, 20175155630), (2, 10087577815), (5, 4035031126), (7, 2882165090), (10, 2017515563), (14, 1441082545), (35, 576433018), (49, 411737870), (70, 288216509), (98, 205868935), (245, 82347574), (490, 41173787), (491, 41089930), (982, 20544965), (2455, 8217986), (3437, 5869990), (4910, 4108993), (6874, 2934995), (17185, 1173998), (24059, 838570), (34370, 586999), (48118, 419285), (83857, 240590), (120295, 167714)]