20307170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5039}}^1$

素因数の和:5090

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 20335390

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 5039, 10078, 25195, 50390, 65507, 131014, 156209, 312418, 327535, 655070, 781045, 1562090, 2030717, 4061434, 10153585, 20307170]

約数ペア:

[(1, 20307170), (2, 10153585), (5, 4061434), (10, 2030717), (13, 1562090), (26, 781045), (31, 655070), (62, 327535), (65, 312418), (130, 156209), (155, 131014), (310, 65507), (403, 50390), (806, 25195), (2015, 10078), (4030, 5039)]