20131377819

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{144569}}^1$

素因数の和:144947

約数の個数: 32

約数和(自身を含む): 32383680000

約数和(自身を除く): 12252302181

約数列:

[1, 3, 7, 19, 21, 57, 133, 349, 399, 1047, 2443, 6631, 7329, 19893, 46417, 139251, 144569, 433707, 1011983, 2746811, 3035949, 8240433, 19227677, 50454581, 57683031, 151363743, 353182067, 958637039, 1059546201, 2875911117, 6710459273, 20131377819]

約数ペア:

[(1, 20131377819), (3, 6710459273), (7, 2875911117), (19, 1059546201), (21, 958637039), (57, 353182067), (133, 151363743), (349, 57683031), (399, 50454581), (1047, 19227677), (2443, 8240433), (6631, 3035949), (7329, 2746811), (19893, 1011983), (46417, 433707), (139251, 144569)]