20001276

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{4517}}^1$

素因数の和:4571

約数の個数: 48

約数和(自身を含む): 53131680

約数和(自身を除く): 33130404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 2214, 4428, 4517, 9034, 13551, 18068, 27102, 40653, 54204, 81306, 121959, 162612, 185197, 243918, 370394, 487836, 555591, 740788, 1111182, 1666773, 2222364, 3333546, 5000319, 6667092, 10000638, 20001276]

約数ペア:

[(1, 20001276), (2, 10000638), (3, 6667092), (4, 5000319), (6, 3333546), (9, 2222364), (12, 1666773), (18, 1111182), (27, 740788), (36, 555591), (41, 487836), (54, 370394), (82, 243918), (108, 185197), (123, 162612), (164, 121959), (246, 81306), (369, 54204), (492, 40653), (738, 27102), (1107, 18068), (1476, 13551), (2214, 9034), (4428, 4517)]