20807672830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1493731}}^1$

素因数の和:1493944

約数の個数: 32

約数和(自身を含む): 43019481600

約数和(自身を除く): 22211808770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2786, 6965, 13930, 1493731, 2987462, 7468655, 10456117, 14937310, 20912234, 52280585, 104561170, 297252469, 594504938, 1486262345, 2080767283, 2972524690, 4161534566, 10403836415, 20807672830]

約数ペア:

[(1, 20807672830), (2, 10403836415), (5, 4161534566), (7, 2972524690), (10, 2080767283), (14, 1486262345), (35, 594504938), (70, 297252469), (199, 104561170), (398, 52280585), (995, 20912234), (1393, 14937310), (1990, 10456117), (2786, 7468655), (6965, 2987462), (13930, 1493731)]