20347865916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1871}}^1\times {\mathrm{129469}}^1$

素因数の和:131354

約数の個数: 48

約数和(自身を含む): 54290396160

約数和(自身を除く): 33942530244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1871, 3742, 5613, 7484, 11226, 13097, 22452, 26194, 39291, 52388, 78582, 129469, 157164, 258938, 388407, 517876, 776814, 906283, 1553628, 1812566, 2718849, 3625132, 5437698, 10875396, 242236499, 484472998, 726709497, 968945996, 1453418994, 1695655493, 2906837988, 3391310986, 5086966479, 6782621972, 10173932958, 20347865916]

約数ペア:

[(1, 20347865916), (2, 10173932958), (3, 6782621972), (4, 5086966479), (6, 3391310986), (7, 2906837988), (12, 1695655493), (14, 1453418994), (21, 968945996), (28, 726709497), (42, 484472998), (84, 242236499), (1871, 10875396), (3742, 5437698), (5613, 3625132), (7484, 2718849), (11226, 1812566), (13097, 1553628), (22452, 906283), (26194, 776814), (39291, 517876), (52388, 388407), (78582, 258938), (129469, 157164)]