20123404548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1767071}}^1$

素因数の和:1767164

約数の個数: 48

約数和(自身を含む): 51259224576

約数和(自身を除く): 31135820028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 146, 156, 219, 292, 438, 876, 949, 1898, 2847, 3796, 5694, 11388, 1767071, 3534142, 5301213, 7068284, 10602426, 21204852, 22971923, 45943846, 68915769, 91887692, 128996183, 137831538, 257992366, 275663076, 386988549, 515984732, 773977098, 1547954196, 1676950379, 3353900758, 5030851137, 6707801516, 10061702274, 20123404548]

約数ペア:

[(1, 20123404548), (2, 10061702274), (3, 6707801516), (4, 5030851137), (6, 3353900758), (12, 1676950379), (13, 1547954196), (26, 773977098), (39, 515984732), (52, 386988549), (73, 275663076), (78, 257992366), (146, 137831538), (156, 128996183), (219, 91887692), (292, 68915769), (438, 45943846), (876, 22971923), (949, 21204852), (1898, 10602426), (2847, 7068284), (3796, 5301213), (5694, 3534142), (11388, 1767071)]