20568534

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1689

約数の個数: 48

約数和(自身を含む): 48996288

約数和(自身を除く): 28427754

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1627, 1806, 2107, 3254, 4214, 4881, 6321, 9762, 11389, 12642, 22778, 34167, 68334, 69961, 79723, 139922, 159446, 209883, 239169, 419766, 478338, 489727, 979454, 1469181, 2938362, 3428089, 6856178, 10284267, 20568534]

約数ペア:

[(1, 20568534), (2, 10284267), (3, 6856178), (6, 3428089), (7, 2938362), (14, 1469181), (21, 979454), (42, 489727), (43, 478338), (49, 419766), (86, 239169), (98, 209883), (129, 159446), (147, 139922), (258, 79723), (294, 69961), (301, 68334), (602, 34167), (903, 22778), (1627, 12642), (1806, 11389), (2107, 9762), (3254, 6321), (4214, 4881)]