20070390004

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{41141}}^1$

素因数の和:41309

約数の個数: 72

約数和(自身を含む): 43337337120

約数和(自身を除く): 23266947116

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 131, 133, 196, 262, 266, 524, 532, 917, 931, 1834, 1862, 2489, 3668, 3724, 4978, 6419, 9956, 12838, 17423, 25676, 34846, 41141, 69692, 82282, 121961, 164564, 243922, 287987, 487844, 575974, 781679, 1151948, 1563358, 2015909, 3126716, 4031818, 5389471, 5471753, 8063636, 10778942, 10943506, 21557884, 21887012, 37726297, 38302271, 75452594, 76604542, 102399949, 150905188, 153209084, 204799898, 264084079, 409599796, 528168158, 716799643, 1056336316, 1433599286, 2867198572, 5017597501, 10035195002, 20070390004]

約数ペア:

[(1, 20070390004), (2, 10035195002), (4, 5017597501), (7, 2867198572), (14, 1433599286), (19, 1056336316), (28, 716799643), (38, 528168158), (49, 409599796), (76, 264084079), (98, 204799898), (131, 153209084), (133, 150905188), (196, 102399949), (262, 76604542), (266, 75452594), (524, 38302271), (532, 37726297), (917, 21887012), (931, 21557884), (1834, 10943506), (1862, 10778942), (2489, 8063636), (3668, 5471753), (3724, 5389471), (4978, 4031818), (6419, 3126716), (9956, 2015909), (12838, 1563358), (17423, 1151948), (25676, 781679), (34846, 575974), (41141, 487844), (69692, 287987), (82282, 243922), (121961, 164564)]