20172958812

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{251621}}^1$

素因数の和:251779

約数の個数: 72

約数和(自身を含む): 54404702352

約数和(自身を除く): 34231743540

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 131, 153, 204, 262, 306, 393, 524, 612, 786, 1179, 1572, 2227, 2358, 4454, 4716, 6681, 8908, 13362, 20043, 26724, 40086, 80172, 251621, 503242, 754863, 1006484, 1509726, 2264589, 3019452, 4277557, 4529178, 8555114, 9058356, 12832671, 17110228, 25665342, 32962351, 38498013, 51330684, 65924702, 76996026, 98887053, 131849404, 153992052, 197774106, 296661159, 395548212, 560359967, 593322318, 1120719934, 1186644636, 1681079901, 2241439868, 3362159802, 5043239703, 6724319604, 10086479406, 20172958812]

約数ペア:

[(1, 20172958812), (2, 10086479406), (3, 6724319604), (4, 5043239703), (6, 3362159802), (9, 2241439868), (12, 1681079901), (17, 1186644636), (18, 1120719934), (34, 593322318), (36, 560359967), (51, 395548212), (68, 296661159), (102, 197774106), (131, 153992052), (153, 131849404), (204, 98887053), (262, 76996026), (306, 65924702), (393, 51330684), (524, 38498013), (612, 32962351), (786, 25665342), (1179, 17110228), (1572, 12832671), (2227, 9058356), (2358, 8555114), (4454, 4529178), (4716, 4277557), (6681, 3019452), (8908, 2264589), (13362, 1509726), (20043, 1006484), (26724, 754863), (40086, 503242), (80172, 251621)]