20391384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65357}}^1$

素因数の和:65379

約数の個数: 32

約数和(自身を含む): 54900720

約数和(自身を除く): 34509336

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65357, 130714, 196071, 261428, 392142, 522856, 784284, 849641, 1568568, 1699282, 2548923, 3398564, 5097846, 6797128, 10195692, 20391384]

約数ペア:

[(1, 20391384), (2, 10195692), (3, 6797128), (4, 5097846), (6, 3398564), (8, 2548923), (12, 1699282), (13, 1568568), (24, 849641), (26, 784284), (39, 522856), (52, 392142), (78, 261428), (104, 196071), (156, 130714), (312, 65357)]