20178590545

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{257003}}^1$

素因数の和:257432

約数の個数: 16

約数和(自身を含む): 24869763072

約数和(自身を除く): 4691172527

約数列:

[1, 5, 41, 205, 383, 1915, 15703, 78515, 257003, 1285015, 10537123, 52685615, 98432149, 492160745, 4035718109, 20178590545]

約数ペア:

[(1, 20178590545), (5, 4035718109), (41, 492160745), (205, 98432149), (383, 52685615), (1915, 10537123), (15703, 1285015), (78515, 257003)]