20296900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1201}}^1$

素因数の和:1241

約数の個数: 54

約数和(自身を含む): 47732622

約数和(自身を除く): 27435722

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 845, 1201, 1300, 1690, 2402, 3380, 4225, 4804, 6005, 8450, 12010, 15613, 16900, 24020, 30025, 31226, 60050, 62452, 78065, 120100, 156130, 202969, 312260, 390325, 405938, 780650, 811876, 1014845, 1561300, 2029690, 4059380, 5074225, 10148450, 20296900]

約数ペア:

[(1, 20296900), (2, 10148450), (4, 5074225), (5, 4059380), (10, 2029690), (13, 1561300), (20, 1014845), (25, 811876), (26, 780650), (50, 405938), (52, 390325), (65, 312260), (100, 202969), (130, 156130), (169, 120100), (260, 78065), (325, 62452), (338, 60050), (650, 31226), (676, 30025), (845, 24020), (1201, 16900), (1300, 15613), (1690, 12010), (2402, 8450), (3380, 6005), (4225, 4804)]