20857575636

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{29959}}^1$

素因数の和:30285

約数の個数: 72

約数和(自身を含む): 53589332160

約数和(自身を除く): 32731756524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 233, 249, 332, 466, 498, 699, 747, 932, 996, 1398, 1494, 2097, 2796, 2988, 4194, 8388, 19339, 29959, 38678, 58017, 59918, 77356, 89877, 116034, 119836, 174051, 179754, 232068, 269631, 348102, 359508, 539262, 696204, 1078524, 2486597, 4973194, 6980447, 7459791, 9946388, 13960894, 14919582, 20941341, 22379373, 27921788, 29839164, 41882682, 44758746, 62824023, 83765364, 89517492, 125648046, 251296092, 579377101, 1158754202, 1738131303, 2317508404, 3476262606, 5214393909, 6952525212, 10428787818, 20857575636]

約数ペア:

[(1, 20857575636), (2, 10428787818), (3, 6952525212), (4, 5214393909), (6, 3476262606), (9, 2317508404), (12, 1738131303), (18, 1158754202), (36, 579377101), (83, 251296092), (166, 125648046), (233, 89517492), (249, 83765364), (332, 62824023), (466, 44758746), (498, 41882682), (699, 29839164), (747, 27921788), (932, 22379373), (996, 20941341), (1398, 14919582), (1494, 13960894), (2097, 9946388), (2796, 7459791), (2988, 6980447), (4194, 4973194), (8388, 2486597), (19339, 1078524), (29959, 696204), (38678, 539262), (58017, 359508), (59918, 348102), (77356, 269631), (89877, 232068), (116034, 179754), (119836, 174051)]