20988201480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{853}}^1\times {\mathrm{205043}}^1$

素因数の和:205910

約数の個数: 64

約数和(自身を含む): 63038727360

約数和(自身を除く): 42050525880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 853, 1706, 2559, 3412, 4265, 5118, 6824, 8530, 10236, 12795, 17060, 20472, 25590, 34120, 51180, 102360, 205043, 410086, 615129, 820172, 1025215, 1230258, 1640344, 2050430, 2460516, 3075645, 4100860, 4921032, 6151290, 8201720, 12302580, 24605160, 174901679, 349803358, 524705037, 699606716, 874508395, 1049410074, 1399213432, 1749016790, 2098820148, 2623525185, 3498033580, 4197640296, 5247050370, 6996067160, 10494100740, 20988201480]

約数ペア:

[(1, 20988201480), (2, 10494100740), (3, 6996067160), (4, 5247050370), (5, 4197640296), (6, 3498033580), (8, 2623525185), (10, 2098820148), (12, 1749016790), (15, 1399213432), (20, 1049410074), (24, 874508395), (30, 699606716), (40, 524705037), (60, 349803358), (120, 174901679), (853, 24605160), (1706, 12302580), (2559, 8201720), (3412, 6151290), (4265, 4921032), (5118, 4100860), (6824, 3075645), (8530, 2460516), (10236, 2050430), (12795, 1640344), (17060, 1230258), (20472, 1025215), (25590, 820172), (34120, 615129), (51180, 410086), (102360, 205043)]