20287723620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1\times {\mathrm{17863}}^1$

素因数の和:18721

約数の個数: 96

約数和(自身を含む): 59350781952

約数和(自身を除く): 39063058332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 823, 1380, 1646, 2469, 3292, 4115, 4938, 8230, 9876, 12345, 16460, 17863, 18929, 24690, 35726, 37858, 49380, 53589, 56787, 71452, 75716, 89315, 94645, 107178, 113574, 178630, 189290, 214356, 227148, 267945, 283935, 357260, 378580, 410849, 535890, 567870, 821698, 1071780, 1135740, 1232547, 1643396, 2054245, 2465094, 4108490, 4930188, 6162735, 8216980, 12325470, 14701249, 24650940, 29402498, 44103747, 58804996, 73506245, 88207494, 147012490, 176414988, 220518735, 294024980, 338128727, 441037470, 676257454, 882074940, 1014386181, 1352514908, 1690643635, 2028772362, 3381287270, 4057544724, 5071930905, 6762574540, 10143861810, 20287723620]

約数ペア:

[(1, 20287723620), (2, 10143861810), (3, 6762574540), (4, 5071930905), (5, 4057544724), (6, 3381287270), (10, 2028772362), (12, 1690643635), (15, 1352514908), (20, 1014386181), (23, 882074940), (30, 676257454), (46, 441037470), (60, 338128727), (69, 294024980), (92, 220518735), (115, 176414988), (138, 147012490), (230, 88207494), (276, 73506245), (345, 58804996), (460, 44103747), (690, 29402498), (823, 24650940), (1380, 14701249), (1646, 12325470), (2469, 8216980), (3292, 6162735), (4115, 4930188), (4938, 4108490), (8230, 2465094), (9876, 2054245), (12345, 1643396), (16460, 1232547), (17863, 1135740), (18929, 1071780), (24690, 821698), (35726, 567870), (37858, 535890), (49380, 410849), (53589, 378580), (56787, 357260), (71452, 283935), (75716, 267945), (89315, 227148), (94645, 214356), (107178, 189290), (113574, 178630)]