20204016

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 60186624

約数和(自身を除く): 39982608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 157, 168, 314, 336, 383, 471, 628, 766, 942, 1099, 1149, 1256, 1532, 1884, 2198, 2298, 2512, 2681, 3064, 3297, 3768, 4396, 4596, 5362, 6128, 6594, 7536, 8043, 8792, 9192, 10724, 13188, 16086, 17584, 18384, 21448, 26376, 32172, 42896, 52752, 60131, 64344, 120262, 128688, 180393, 240524, 360786, 420917, 481048, 721572, 841834, 962096, 1262751, 1443144, 1683668, 2525502, 2886288, 3367336, 5051004, 6734672, 10102008, 20204016]

約数ペア:

[(1, 20204016), (2, 10102008), (3, 6734672), (4, 5051004), (6, 3367336), (7, 2886288), (8, 2525502), (12, 1683668), (14, 1443144), (16, 1262751), (21, 962096), (24, 841834), (28, 721572), (42, 481048), (48, 420917), (56, 360786), (84, 240524), (112, 180393), (157, 128688), (168, 120262), (314, 64344), (336, 60131), (383, 52752), (471, 42896), (628, 32172), (766, 26376), (942, 21448), (1099, 18384), (1149, 17584), (1256, 16086), (1532, 13188), (1884, 10724), (2198, 9192), (2298, 8792), (2512, 8043), (2681, 7536), (3064, 6594), (3297, 6128), (3768, 5362), (4396, 4596)]