20841576

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{947}}^1$

素因数の和:1094

約数の個数: 64

約数和(自身を含む): 60065280

約数和(自身を除く): 39223704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 131, 168, 262, 393, 524, 786, 917, 947, 1048, 1572, 1834, 1894, 2751, 2841, 3144, 3668, 3788, 5502, 5682, 6629, 7336, 7576, 11004, 11364, 13258, 19887, 22008, 22728, 26516, 39774, 53032, 79548, 124057, 159096, 248114, 372171, 496228, 744342, 868399, 992456, 1488684, 1736798, 2605197, 2977368, 3473596, 5210394, 6947192, 10420788, 20841576]

約数ペア:

[(1, 20841576), (2, 10420788), (3, 6947192), (4, 5210394), (6, 3473596), (7, 2977368), (8, 2605197), (12, 1736798), (14, 1488684), (21, 992456), (24, 868399), (28, 744342), (42, 496228), (56, 372171), (84, 248114), (131, 159096), (168, 124057), (262, 79548), (393, 53032), (524, 39774), (786, 26516), (917, 22728), (947, 22008), (1048, 19887), (1572, 13258), (1834, 11364), (1894, 11004), (2751, 7576), (2841, 7336), (3144, 6629), (3668, 5682), (3788, 5502)]