20207538

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{86357}}^1$

素因数の和:86378

約数の個数: 24

約数和(自身を含む): 47151468

約数和(自身を除く): 26943930

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 86357, 172714, 259071, 518142, 777213, 1122641, 1554426, 2245282, 3367923, 6735846, 10103769, 20207538]

約数ペア:

[(1, 20207538), (2, 10103769), (3, 6735846), (6, 3367923), (9, 2245282), (13, 1554426), (18, 1122641), (26, 777213), (39, 518142), (78, 259071), (117, 172714), (234, 86357)]