20122650436

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{147661}}^1$

素因数の和:147860

約数の個数: 48

約数和(自身を含む): 41808428032

約数和(自身を除く): 21685777596

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 157, 217, 314, 434, 628, 868, 1099, 2198, 4396, 4867, 9734, 19468, 34069, 68138, 136276, 147661, 295322, 590644, 1033627, 2067254, 4134508, 4577491, 9154982, 18309964, 23182777, 32042437, 46365554, 64084874, 92731108, 128169748, 162279439, 324558878, 649117756, 718666087, 1437332174, 2874664348, 5030662609, 10061325218, 20122650436]

約数ペア:

[(1, 20122650436), (2, 10061325218), (4, 5030662609), (7, 2874664348), (14, 1437332174), (28, 718666087), (31, 649117756), (62, 324558878), (124, 162279439), (157, 128169748), (217, 92731108), (314, 64084874), (434, 46365554), (628, 32042437), (868, 23182777), (1099, 18309964), (2198, 9154982), (4396, 4577491), (4867, 4134508), (9734, 2067254), (19468, 1033627), (34069, 590644), (68138, 295322), (136276, 147661)]