20572188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18839}}^1$

素因数の和:18866

約数の個数: 48

約数和(自身を含む): 59082240

約数和(自身を除く): 38510052

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18839, 37678, 56517, 75356, 113034, 131873, 226068, 244907, 263746, 395619, 489814, 527492, 734721, 791238, 979628, 1469442, 1582476, 1714349, 2938884, 3428698, 5143047, 6857396, 10286094, 20572188]

約数ペア:

[(1, 20572188), (2, 10286094), (3, 6857396), (4, 5143047), (6, 3428698), (7, 2938884), (12, 1714349), (13, 1582476), (14, 1469442), (21, 979628), (26, 791238), (28, 734721), (39, 527492), (42, 489814), (52, 395619), (78, 263746), (84, 244907), (91, 226068), (156, 131873), (182, 113034), (273, 75356), (364, 56517), (546, 37678), (1092, 18839)]