20519148

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4243}}^1$

素因数の和:4294

約数の個数: 48

約数和(自身を含む): 53236736

約数和(自身を除く): 32717588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4243, 4836, 8486, 12729, 16972, 25458, 50916, 55159, 110318, 131533, 165477, 220636, 263066, 330954, 394599, 526132, 661908, 789198, 1578396, 1709929, 3419858, 5129787, 6839716, 10259574, 20519148]

約数ペア:

[(1, 20519148), (2, 10259574), (3, 6839716), (4, 5129787), (6, 3419858), (12, 1709929), (13, 1578396), (26, 789198), (31, 661908), (39, 526132), (52, 394599), (62, 330954), (78, 263066), (93, 220636), (124, 165477), (156, 131533), (186, 110318), (372, 55159), (403, 50916), (806, 25458), (1209, 16972), (1612, 12729), (2418, 8486), (4243, 4836)]