20477616

素因数分解:

$2^4\times 3^1\times {\mathrm{181}}^1\times {\mathrm{2357}}^1$

素因数の和:2549

約数の個数: 40

約数和(自身を含む): 53215344

約数和(自身を除く): 32737728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 181, 362, 543, 724, 1086, 1448, 2172, 2357, 2896, 4344, 4714, 7071, 8688, 9428, 14142, 18856, 28284, 37712, 56568, 113136, 426617, 853234, 1279851, 1706468, 2559702, 3412936, 5119404, 6825872, 10238808, 20477616]

約数ペア:

[(1, 20477616), (2, 10238808), (3, 6825872), (4, 5119404), (6, 3412936), (8, 2559702), (12, 1706468), (16, 1279851), (24, 853234), (48, 426617), (181, 113136), (362, 56568), (543, 37712), (724, 28284), (1086, 18856), (1448, 14142), (2172, 9428), (2357, 8688), (2896, 7071), (4344, 4714)]