20201207992

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{38569}}^1$

素因数の和:38828

約数の個数: 64

約数和(自身を含む): 44432640000

約数和(自身を除く): 24231432008

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 199, 329, 376, 398, 658, 796, 1316, 1393, 1592, 2632, 2786, 5572, 9353, 11144, 18706, 37412, 38569, 65471, 74824, 77138, 130942, 154276, 261884, 269983, 308552, 523768, 539966, 1079932, 1812743, 2159864, 3625486, 7250972, 7675231, 12689201, 14501944, 15350462, 25378402, 30700924, 50756804, 53726617, 61401848, 101513608, 107453234, 214906468, 360735857, 429812936, 721471714, 1442943428, 2525150999, 2885886856, 5050301998, 10100603996, 20201207992]

約数ペア:

[(1, 20201207992), (2, 10100603996), (4, 5050301998), (7, 2885886856), (8, 2525150999), (14, 1442943428), (28, 721471714), (47, 429812936), (56, 360735857), (94, 214906468), (188, 107453234), (199, 101513608), (329, 61401848), (376, 53726617), (398, 50756804), (658, 30700924), (796, 25378402), (1316, 15350462), (1393, 14501944), (1592, 12689201), (2632, 7675231), (2786, 7250972), (5572, 3625486), (9353, 2159864), (11144, 1812743), (18706, 1079932), (37412, 539966), (38569, 523768), (65471, 308552), (74824, 269983), (77138, 261884), (130942, 154276)]