20656368

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^1\times {\mathrm{2141}}^1$

素因数の和:2222

約数の個数: 60

約数和(自身を含む): 58699368

約数和(自身を除く): 38043000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 201, 268, 402, 536, 603, 804, 1072, 1206, 1608, 2141, 2412, 3216, 4282, 4824, 6423, 8564, 9648, 12846, 17128, 19269, 25692, 34256, 38538, 51384, 77076, 102768, 143447, 154152, 286894, 308304, 430341, 573788, 860682, 1147576, 1291023, 1721364, 2295152, 2582046, 3442728, 5164092, 6885456, 10328184, 20656368]

約数ペア:

[(1, 20656368), (2, 10328184), (3, 6885456), (4, 5164092), (6, 3442728), (8, 2582046), (9, 2295152), (12, 1721364), (16, 1291023), (18, 1147576), (24, 860682), (36, 573788), (48, 430341), (67, 308304), (72, 286894), (134, 154152), (144, 143447), (201, 102768), (268, 77076), (402, 51384), (536, 38538), (603, 34256), (804, 25692), (1072, 19269), (1206, 17128), (1608, 12846), (2141, 9648), (2412, 8564), (3216, 6423), (4282, 4824)]