20289402

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{569}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 50506560

約数和(自身を除く): 30217158

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 283, 566, 569, 849, 1138, 1698, 1707, 1981, 2547, 3414, 3962, 3983, 5094, 5121, 5943, 7966, 10242, 11886, 11949, 17829, 23898, 35658, 35847, 71694, 161027, 322054, 483081, 966162, 1127189, 1449243, 2254378, 2898486, 3381567, 6763134, 10144701, 20289402]

約数ペア:

[(1, 20289402), (2, 10144701), (3, 6763134), (6, 3381567), (7, 2898486), (9, 2254378), (14, 1449243), (18, 1127189), (21, 966162), (42, 483081), (63, 322054), (126, 161027), (283, 71694), (566, 35847), (569, 35658), (849, 23898), (1138, 17829), (1698, 11949), (1707, 11886), (1981, 10242), (2547, 7966), (3414, 5943), (3962, 5121), (3983, 5094)]