20671677

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 35904960

約数和(自身を除く): 15233283

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 221, 247, 323, 547, 663, 741, 969, 1641, 1989, 2223, 2907, 4199, 4923, 7111, 9299, 10393, 12597, 21333, 27897, 31179, 37791, 63999, 83691, 93537, 120887, 135109, 176681, 362661, 405327, 530043, 1087983, 1215981, 1590129, 2296853, 6890559, 20671677]

約数ペア:

[(1, 20671677), (3, 6890559), (9, 2296853), (13, 1590129), (17, 1215981), (19, 1087983), (39, 530043), (51, 405327), (57, 362661), (117, 176681), (153, 135109), (171, 120887), (221, 93537), (247, 83691), (323, 63999), (547, 37791), (663, 31179), (741, 27897), (969, 21333), (1641, 12597), (1989, 10393), (2223, 9299), (2907, 7111), (4199, 4923)]