20152206968

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{162277}}^1$

素因数の和:162364

約数の個数: 48

約数和(自身を含む): 40806425880

約数和(自身を除く): 20654218912

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 361, 722, 817, 1444, 1634, 2888, 3268, 6536, 15523, 31046, 62092, 124184, 162277, 324554, 649108, 1298216, 3083263, 6166526, 6977911, 12333052, 13955822, 24666104, 27911644, 55823288, 58581997, 117163994, 132580309, 234327988, 265160618, 468655976, 530321236, 1060642472, 2519025871, 5038051742, 10076103484, 20152206968]

約数ペア:

[(1, 20152206968), (2, 10076103484), (4, 5038051742), (8, 2519025871), (19, 1060642472), (38, 530321236), (43, 468655976), (76, 265160618), (86, 234327988), (152, 132580309), (172, 117163994), (344, 58581997), (361, 55823288), (722, 27911644), (817, 24666104), (1444, 13955822), (1634, 12333052), (2888, 6977911), (3268, 6166526), (6536, 3083263), (15523, 1298216), (31046, 649108), (62092, 324554), (124184, 162277)]