20203209780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{19727}}^1$

素因数の和:19866

約数の個数: 144

約数和(自身を含む): 61864798464

約数和(自身を除く): 41661588684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 101, 130, 156, 169, 195, 202, 260, 303, 338, 390, 404, 505, 507, 606, 676, 780, 845, 1010, 1014, 1212, 1313, 1515, 1690, 2020, 2028, 2535, 2626, 3030, 3380, 3939, 5070, 5252, 6060, 6565, 7878, 10140, 13130, 15756, 17069, 19695, 19727, 26260, 34138, 39390, 39454, 51207, 59181, 68276, 78780, 78908, 85345, 98635, 102414, 118362, 170690, 197270, 204828, 236724, 256035, 256451, 295905, 341380, 394540, 512070, 512902, 591810, 769353, 1024140, 1025804, 1183620, 1282255, 1538706, 1992427, 2564510, 3077412, 3333863, 3846765, 3984854, 5129020, 5977281, 6667726, 7693530, 7969708, 9962135, 10001589, 11954562, 13335452, 15387060, 16669315, 19924270, 20003178, 23909124, 25901551, 29886405, 33338630, 39848540, 40006356, 50007945, 51803102, 59772810, 66677260, 77704653, 100015890, 103606204, 119545620, 129507755, 155409306, 200031780, 259015510, 310818612, 336720163, 388523265, 518031020, 673440326, 777046530, 1010160489, 1346880652, 1554093060, 1683600815, 2020320978, 3367201630, 4040641956, 5050802445, 6734403260, 10101604890, 20203209780]

約数ペア:

[(1, 20203209780), (2, 10101604890), (3, 6734403260), (4, 5050802445), (5, 4040641956), (6, 3367201630), (10, 2020320978), (12, 1683600815), (13, 1554093060), (15, 1346880652), (20, 1010160489), (26, 777046530), (30, 673440326), (39, 518031020), (52, 388523265), (60, 336720163), (65, 310818612), (78, 259015510), (101, 200031780), (130, 155409306), (156, 129507755), (169, 119545620), (195, 103606204), (202, 100015890), (260, 77704653), (303, 66677260), (338, 59772810), (390, 51803102), (404, 50007945), (505, 40006356), (507, 39848540), (606, 33338630), (676, 29886405), (780, 25901551), (845, 23909124), (1010, 20003178), (1014, 19924270), (1212, 16669315), (1313, 15387060), (1515, 13335452), (1690, 11954562), (2020, 10001589), (2028, 9962135), (2535, 7969708), (2626, 7693530), (3030, 6667726), (3380, 5977281), (3939, 5129020), (5070, 3984854), (5252, 3846765), (6060, 3333863), (6565, 3077412), (7878, 2564510), (10140, 1992427), (13130, 1538706), (15756, 1282255), (17069, 1183620), (19695, 1025804), (19727, 1024140), (26260, 769353), (34138, 591810), (39390, 512902), (39454, 512070), (51207, 394540), (59181, 341380), (68276, 295905), (78780, 256451), (78908, 256035), (85345, 236724), (98635, 204828), (102414, 197270), (118362, 170690)]