20458795

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 29393280

約数和(自身を除く): 8934485

約数列:

[1, 5, 7, 35, 41, 53, 205, 265, 269, 287, 371, 1345, 1435, 1855, 1883, 2173, 9415, 10865, 11029, 14257, 15211, 55145, 71285, 76055, 77203, 99799, 386015, 498995, 584537, 2922685, 4091759, 20458795]

約数ペア:

[(1, 20458795), (5, 4091759), (7, 2922685), (35, 584537), (41, 498995), (53, 386015), (205, 99799), (265, 77203), (269, 76055), (287, 71285), (371, 55145), (1345, 15211), (1435, 14257), (1855, 11029), (1883, 10865), (2173, 9415)]