20163856872

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19538621}}^1$

素因数の和:19538673

約数の個数: 32

約数和(自身を含む): 51581962080

約数和(自身を除く): 31418105208

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19538621, 39077242, 58615863, 78154484, 117231726, 156308968, 234463452, 468926904, 840160703, 1680321406, 2520482109, 3360642812, 5040964218, 6721285624, 10081928436, 20163856872]

約数ペア:

[(1, 20163856872), (2, 10081928436), (3, 6721285624), (4, 5040964218), (6, 3360642812), (8, 2520482109), (12, 1680321406), (24, 840160703), (43, 468926904), (86, 234463452), (129, 156308968), (172, 117231726), (258, 78154484), (344, 58615863), (516, 39077242), (1032, 19538621)]