20457846

素因数分解:

$2^1\times 3^4\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:738

約数の個数: 40

約数和(自身を含む): 46103904

約数和(自身を除く): 25646058

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 293, 431, 586, 862, 879, 1293, 1758, 2586, 2637, 3879, 5274, 7758, 7911, 11637, 15822, 23274, 23733, 34911, 47466, 69822, 126283, 252566, 378849, 757698, 1136547, 2273094, 3409641, 6819282, 10228923, 20457846]

約数ペア:

[(1, 20457846), (2, 10228923), (3, 6819282), (6, 3409641), (9, 2273094), (18, 1136547), (27, 757698), (54, 378849), (81, 252566), (162, 126283), (293, 69822), (431, 47466), (586, 34911), (862, 23733), (879, 23274), (1293, 15822), (1758, 11637), (2586, 7911), (2637, 7758), (3879, 5274)]