20492316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43787}}^1$

素因数の和:43810

約数の個数: 36

約数和(自身を含む): 55785912

約数和(自身を除く): 35293596

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43787, 87574, 131361, 175148, 262722, 394083, 525444, 569231, 788166, 1138462, 1576332, 1707693, 2276924, 3415386, 5123079, 6830772, 10246158, 20492316]

約数ペア:

[(1, 20492316), (2, 10246158), (3, 6830772), (4, 5123079), (6, 3415386), (9, 2276924), (12, 1707693), (13, 1576332), (18, 1138462), (26, 788166), (36, 569231), (39, 525444), (52, 394083), (78, 262722), (117, 175148), (156, 131361), (234, 87574), (468, 43787)]