20121089212

素因数分解:

$2^2\times 7^1\times {\mathrm{7129}}^1\times {\mathrm{100801}}^1$

素因数の和:107941

約数の個数: 24

約数和(自身を含む): 40248222560

約数和(自身を除く): 20127133348

約数列:

[1, 2, 4, 7, 14, 28, 7129, 14258, 28516, 49903, 99806, 100801, 199612, 201602, 403204, 705607, 1411214, 2822428, 718610329, 1437220658, 2874441316, 5030272303, 10060544606, 20121089212]

約数ペア:

[(1, 20121089212), (2, 10060544606), (4, 5030272303), (7, 2874441316), (14, 1437220658), (28, 718610329), (7129, 2822428), (14258, 1411214), (28516, 705607), (49903, 403204), (99806, 201602), (100801, 199612)]