20201890716

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{266333}}^1$

素因数の和:266400

約数の個数: 108

約数和(自身を含む): 60784876152

約数和(自身を除く): 40582985436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 49, 63, 84, 86, 98, 126, 129, 147, 172, 196, 252, 258, 294, 301, 387, 441, 516, 588, 602, 774, 882, 903, 1204, 1548, 1764, 1806, 2107, 2709, 3612, 4214, 5418, 6321, 8428, 10836, 12642, 18963, 25284, 37926, 75852, 266333, 532666, 798999, 1065332, 1597998, 1864331, 2396997, 3195996, 3728662, 4793994, 5592993, 7457324, 9587988, 11185986, 11452319, 13050317, 16778979, 22371972, 22904638, 26100634, 33557958, 34356957, 39150951, 45809276, 52201268, 67115916, 68713914, 78301902, 80166233, 103070871, 117452853, 137427828, 156603804, 160332466, 206141742, 234905706, 240498699, 320664932, 412283484, 469811412, 480997398, 561163631, 721496097, 961994796, 1122327262, 1442992194, 1683490893, 2244654524, 2885984388, 3366981786, 5050472679, 6733963572, 10100945358, 20201890716]

約数ペア:

[(1, 20201890716), (2, 10100945358), (3, 6733963572), (4, 5050472679), (6, 3366981786), (7, 2885984388), (9, 2244654524), (12, 1683490893), (14, 1442992194), (18, 1122327262), (21, 961994796), (28, 721496097), (36, 561163631), (42, 480997398), (43, 469811412), (49, 412283484), (63, 320664932), (84, 240498699), (86, 234905706), (98, 206141742), (126, 160332466), (129, 156603804), (147, 137427828), (172, 117452853), (196, 103070871), (252, 80166233), (258, 78301902), (294, 68713914), (301, 67115916), (387, 52201268), (441, 45809276), (516, 39150951), (588, 34356957), (602, 33557958), (774, 26100634), (882, 22904638), (903, 22371972), (1204, 16778979), (1548, 13050317), (1764, 11452319), (1806, 11185986), (2107, 9587988), (2709, 7457324), (3612, 5592993), (4214, 4793994), (5418, 3728662), (6321, 3195996), (8428, 2396997), (10836, 1864331), (12642, 1597998), (18963, 1065332), (25284, 798999), (37926, 532666), (75852, 266333)]